search_content
Search Rahul D Sarker's articles, guides and case studies
Search rahuldsarker.co for articles, long-form guides and client case studies on fractional CMO work, revenue operations, attribution, server-side tracking, performance marketing, CRM and AI marketing. Returns titles, summaries and links to cite. Use read_content to get the full text of a result.
Parameterstypelimitqueryrequired
read_content
Read an article or case study in full
Get the full text of one rahuldsarker.co article or case study, by its slug or URL (from search_content), so you can quote it accurately. Always cite the returned link.
Parametersslugrequired
check_availability
Check Rahul D Sarker's open call times
List open times for a free call with Rahul D Sarker (fractional CMO and RevOps consultant), live from his calendar. Each time comes with a link that opens the booking form with that time selected; the person confirms and books on the site. Use when someone wants to talk to Rahul, get help with their marketing or RevOps, or book a consultation.
ParametersdaystimezonemeetingType
roas_calculator
ROAS & Break-even ROAS Calculator
Calculate ROAS, ACOS, break-even ROAS, and profit from ad revenue, ad spend, and gross margin. See the full version at https://rahuldsarker.co/calculators/roas
ParametersspendrequiredrevenuerequiredcurrencymarginPctrequired
ltv_cac_calculator
LTV : CAC Ratio Calculator
Calculate customer LTV, CAC, the LTV:CAC ratio, and CAC payback period. See the full version at https://rahuldsarker.co/calculators/cac-ltv
ParameterssegmentcurrencymonthlyArparequirednewCustomersrequiredgrossMarginPctrequiredmonthlyChurnPctrequiredsalesAndMarketingSpendrequired
ad_spend_waste_calculator
Ad Spend Waste Calculator
Estimate how much monthly ad budget leaks to fraud and tracking/attribution waste. See the full version at https://rahuldsarker.co/calculators/ad-spend-waste-calculator
ParameterscurrencyfraudPctrequiredleakagePctrequiredmonthlySpendrequired
crm_roi_calculator
CRM ROI Calculator
Weigh a CRM subscription and implementation cost against the win-rate lift it buys. See the full version at https://rahuldsarker.co/calculators/crm-roi-calculator
ParametersrepsrequiredcurrencyannualCostrequiredavgDealValuerequiredwinRateLiftPctrequireddealsPerRepPerYearrequiredimplementationCostrequired
mql_calculator
MQL Calculator
Turn traffic and conversion rates into MQL volume, cost per lead, and cost per MQL. See the full version at https://rahuldsarker.co/calculators/mql-calculator
ParameterscurrencymqlRatePctrequiredmonthlySpendrequiredmonthlyVisitorsrequiredleadConversionPctrequired
arr_multiple_calculator
ARR Multiple Calculator
Apply conservative, market, premium, and custom ARR multiples to see the valuation range they imply. See the full version at https://rahuldsarker.co/calculators/arr-multiple-calculator
ParametersarrrequiredcurrencycustomMultiplemarketMultiplerequiredpremiumMultiplerequiredconservativeMultiplerequired
mrr_to_arr_calculator
MRR to ARR Calculator
Annualize MRR into ARR, with an optional 12-month projection from expected net-new monthly revenue. See the full version at https://rahuldsarker.co/calculators/mrr-to-arr-calculator
ParametersmrrrequiredcurrencymonthlyChurnAndContractionmonthlyExpansionAndNewBusiness
saas_magic_number_calculator
SaaS Magic Number Calculator
Measure how efficiently sales and marketing spend turns into new ARR. See the full version at https://rahuldsarker.co/calculators/saas-magic-number-calculator
ParameterscurrencypriorArrrequiredcurrentArrrequiredpriorPeriodSalesAndMarketingSpendrequired
cpl_cpa_calculator
CPL / CPA Calculator
Calculate cost per lead, expected customers, and cost per acquisition from spend, leads, and a lead-to-customer conversion rate. See the full version at https://rahuldsarker.co/calculators/cpl-cpa
ParametersleadsrequiredspendrequiredconvPctrequiredcurrency
roas_to_mer_converter
ROAS to MER Converter
Compare a platform-reported ROAS against your true blended Marketing Efficiency Ratio (MER) to see how much pixels over-claim. See the full version at https://rahuldsarker.co/calculators/roas-to-mer-converter
ParameterscurrencytotalSpendrequiredplatformRoasrequiredtotalRevenuerequired
ppc_click_volume_predictor
PPC Click Volume Predictor
Predict monthly clicks, conversions, and effective CPA from budget, CPC, and conversion rate, and check whether volume clears the ~50 weekly conversions platforms need to exit learning. See the full version at https://rahuldsarker.co/calculators/ppc-click-volume-predictor
ParameterscpcrequiredbudgetrequiredcurrencyconvRatePctrequired
ad_creative_fatigue_forecaster
Ad Creative Fatigue Forecaster
Forecast how many days until an ad audience hits its fatigue frequency ceiling, and the date to have fresh creative ready. See the full version at https://rahuldsarker.co/calculators/ad-creative-fatigue-forecaster
ParametersfreqCaprequiredaudiencerequiredcurrencydailyImpressionsrequired
cpa_to_cac_scalability_matrix
CPA to CAC Scalability Matrix
Project how CPA/CAC inflates as you double and triple ad spend, given a per-doubling decay rate. See the full version at https://rahuldsarker.co/calculators/cpa-to-cac-scalability-matrix
ParameterscparequiredspendrequiredcurrencydecayPctrequired
retargeting_pool_size_estimator
Retargeting Pool Size Estimator
Estimate the addressable retargeting pool from monthly visitors, window, and match rate, plus the budget needed to hit a target weekly frequency. See the full version at https://rahuldsarker.co/calculators/retargeting-pool-size-estimator
ParameterscpmrequiredcurrencyvisitorsrequiredtargetFreqrequiredwindowDaysrequiredmatchRatePctrequired
performance_marketing_margin_protector
Performance Marketing Margin Protector
Calculate the break-even and maximum CPA that protect a target profit margin, and check current CPA against that ceiling. See the full version at https://rahuldsarker.co/calculators/performance-marketing-margin-protector
ParametersaovrequiredcurrencycurrentCparequiredgrossMarginPctrequiredtargetProfitPctrequired
impression_share_opportunity_matrix
Impression Share Opportunity Matrix
Estimate missed conversions and revenue from operating below 100% impression share on a search campaign. See the full version at https://rahuldsarker.co/calculators/impression-share-opportunity-matrix
ParameterscurrencyconversionsrequiredimpressionSharePctrequiredvaluePerConversionrequired
cross_channel_ad_spend_allocator
Cross-Channel Ad Spend Allocator
Suggest a starting Google/Meta/LinkedIn budget split based on total budget and average contract value. See the full version at https://rahuldsarker.co/calculators/cross-channel-ad-spend-allocator
Parametersacvrequiredbudgetrequiredcurrency
linkedin_ad_cost_threshold_calculator
LinkedIn Ad Cost Threshold Calculator
Calculate implied CAC from LinkedIn CPC, landing conversion, and close rate, and check it against the maximum CAC a contract can fund. See the full version at https://rahuldsarker.co/calculators/linkedin-ad-cost-threshold-calculator
ParameterscpcrequiredcurrencycloseRatePctrequiredcontractValuerequiredgrossMarginPctrequiredlandingConvPctrequired
seasonal_ad_cpm_predictor
Seasonal Ad CPM Predictor
Project CPM and reach impact for a given season (back-to-school, Black Friday, Q4, January) from a baseline CPM. See the full version at https://rahuldsarker.co/calculators/seasonal-ad-cpm-predictor
ParametersseasonrequiredbaseCpmrequiredcurrencymonthlyBudgetrequired
micro_budget_ad_feasibility_checker
Micro-Budget Ad Feasibility Checker
Check whether a small daily ad budget can generate the ~50 weekly conversions platforms typically need to exit the learning phase. See the full version at https://rahuldsarker.co/calculators/micro-budget-ad-feasibility-checker
ParametersestCparequiredcurrencydailyBudgetrequired
google_search_impression_share_value_estimator
Google Search Impression Share Value Estimator
Estimate missed clicks, conversions, and revenue from operating below 100% search impression share. See the full version at https://rahuldsarker.co/calculators/impression-share-opportunity-matrix
ParametersclicksrequiredcurrencyconvRatePctrequiredimpressionSharePctrequiredvaluePerConversionrequired
lookalike_audience_pool_calculator
Lookalike Audience Pool Calculator
Estimate the addressable pool from a lookalike percentage and market population, and grade seed audience quality. See the full version at https://rahuldsarker.co/calculators/lookalike-audience-pool-calculator
ParametersseedrequiredcurrencypopulationrequiredlookalikePctrequired
ad_frequency_risk_checker
Ad Frequency Risk Checker
Calculate average ad frequency from impressions and reach, and flag whether it is healthy, caution, or fatigue territory. See the full version at https://rahuldsarker.co/calculators/ad-frequency-risk-checker
Parametersreachrequiredcurrencyimpressionsrequired
landing_page_vs_ad_match_quality_auditor
Landing Page vs. Ad Match Quality Auditor
Score message-match continuity between an ad and its landing page across five weighted criteria (headline, keyword, offer, CTA, visuals). See the full version at https://rahuldsarker.co/calculators/landing-page-vs-ad-match-quality-auditor
Parametersctarequiredofferrequiredvisualrequiredkeywordrequiredcurrencyheadlinerequired
utm_generator_and_validation_helper
UTM Generator & Validation Helper
Generate a cleaned, encoded UTM-tagged URL from source, medium, campaign, term, and content, and flag common tagging errors. See the full version at https://rahuldsarker.co/calculators/utm-generator-and-validation-helper
ParameterstermmediumrequiredsourcerequiredbaseUrlrequiredcontentcampaignrequiredcurrency
paid_search_intent_tier_grader
Paid Search Intent Tier Grader
Grade a list of search keywords into transactional, commercial, or informational intent tiers, and flag the wasted-intent share. See the full version at https://rahuldsarker.co/calculators/paid-search-intent-tier-grader
Parameterscurrencykeywordsrequired
creative_testing_duration_forecaster
Creative Testing Duration Forecaster
Forecast how many days an ad creative test needs to reach a sound sample size, from daily spend, expected CPA, variant count, and conversions needed per variant. See the full version at https://rahuldsarker.co/calculators/creative-testing-duration-forecaster
ParameterscparequiredcurrencyvariantsrequireddailySpendrequiredconvPerVariantrequired
post_ios14_blended_attribution_modeler
Post-iOS14 Blended Attribution Modeler
Compare summed platform-claimed revenue against actual backend revenue to quantify over-reporting and the true blended ROAS. See the full version at https://rahuldsarker.co/calculators/post-ios14-blended-attribution-modeler
ParametersadSpendrequiredcurrencyactualRevenuerequiredplatformRevenuerequired
in_house_vs_fractional_cmo
In-House vs Fractional CMO Calculator
Compare the loaded annual cost of a full-time CMO hire against a fractional CMO retainer, including the ramp-up cost before a full-time hire makes impact. See the full version at https://rahuldsarker.co/calculators/in-house-vs-fractional-cmo
ParameterssalaryrequiredcurrencyloadedPctrequiredrampMonthsrequiredrecruitingrequiredfractionalMonthlyrequired
growth_runway_extension_simulator
Growth Runway Extension Simulator
See how much cash runway a cut to gross burn buys you, given current cash, burn, and revenue. See the full version at https://rahuldsarker.co/calculators/growth-runway-extension-simulator
ParameterscashrequiredrevenuerequiredcurrencygrossBurnrequiredburnReductionPctrequired
total_addressable_market_estimator
Total Addressable Market (TAM/SAM/SOM) Estimator
Build a bottom-up TAM, SAM, and SOM from company counts, reachable share, ACV, and obtainable market share. See the full version at https://rahuldsarker.co/calculators/total-addressable-market-estimator
ParametersacvrequiredcurrencycompaniesrequiredreachablePctrequiredtargetSharePctrequired
brand_vs_performance_budget_allocator
Brand vs Performance Budget Allocator
Split a marketing budget between brand and performance spend based on company stage, using the Binet & Field long/short research as a directional guide. See the full version at https://rahuldsarker.co/calculators/brand-vs-performance-budget-allocator
Parametersstagerequiredbudgetrequiredcurrency
product_market_fit_scoring_grader
Product-Market Fit Scoring Grader
Score product-market fit signals (the "very disappointed" test, retention, organic pull, NPS) into a weighted 0-100 PMF score and scale-readiness verdict. See the full version at https://rahuldsarker.co/calculators/product-market-fit-scoring-grader
Parametersnpsrequiredorganicrequiredcurrencyretentionrequireddisappointedrequired
customer_expansion_revenue_matrix
Customer Expansion Revenue Matrix
Compound net monthly expansion revenue (upsell + cross-sell minus contraction) forward 1, 2, and 3 years from current ARR, with no new logos. See the full version at https://rahuldsarker.co/calculators/customer-expansion-revenue-matrix
ParametersarrrequiredcurrencymonthlyExpansionPctrequired
growth_strategy_prioritization_tool
Growth Strategy Prioritization Tool (ICE Scoring)
Rank growth ideas by ICE score (Impact, Confidence, Ease averaged, each scored 1-10) to decide what to run next. See the full version at https://rahuldsarker.co/calculators/growth-strategy-prioritization-tool
Parametersideasrequiredcurrency
pricing_elasticity_sandbox
Pricing Elasticity Sandbox
Model how a price change affects volume, revenue, and gross profit given a price elasticity of demand. See the full version at https://rahuldsarker.co/calculators/pricing-elasticity-sandbox
ParameterspricerequiredvolumerequiredcurrencyunitCostrequiredelasticityrequiredpriceChangePctrequired
burn_rate_optimization_forecaster
Burn Rate Optimization Forecaster
Simulate month by month, at a given revenue growth rate and gross margin, how many months until gross profit covers fixed burn, and the cash needed to bridge the gap. See the full version at https://rahuldsarker.co/calculators/burn-rate-optimization-forecaster
ParametersrevenuerequiredcurrencyfixedBurnrequiredgrowthRatePctrequiredgrossMarginPctrequired
marketing_agency_pitch_bullshit_detector
Marketing Agency Pitch Bullshit Detector
Score an agency pitch on whether it's grounded in real, verifiable outcomes or dressed-up vanity metrics and vague promises. Answer 6 checks and get a credibility score, a BS meter, and a verdict before you sign anything. See the full version at https://rahuldsarker.co/calculators/marketing-agency-pitch-bullshit-detector
Parameterscurrencypipelinerequiredownershiprequiredreportingrequiredguaranteesrequiredreferencesrequiredattributionrequired
competitor_ad_spend_benchmarker
Competitor Ad Spend Benchmarker
Estimate a competitor's ad spend from share-of-voice data, assuming spend maps roughly to share of voice within the same auction. See the full version at https://rahuldsarker.co/calculators/competitor-ad-spend-benchmarker
ParameterscurrencyyourSpendrequiredyourSovPctrequiredcompetitorSovPctrequired
ltv_growth_multiplier_simulator
LTV Growth Multiplier Simulator
Show how much gross-margin LTV grows when monthly churn improves, using LTV = ARPA x gross margin / monthly churn. See the full version at https://rahuldsarker.co/calculators/ltv-growth-multiplier-simulator
ParametersarparequiredcurrencygrossMarginPctrequiredcurrentChurnPctrequiredimprovedChurnPctrequired
channel_saturation_estimator
Channel Saturation Estimator
Project how many months until a channel's compounding CPA inflation pushes it past your max viable CPA. See the full version at https://rahuldsarker.co/calculators/channel-saturation-estimator
ParametersmaxCparequiredcurrencycurrentCparequiredmonthlyInflationPctrequired
product_led_growth_feasibility_grader
Product-Led Growth Feasibility Grader
Score whether a product can support a self-serve, product-led growth motion, versus a hybrid or sales-led approach, across 5 weighted criteria. See the full version at https://rahuldsarker.co/calculators/product-led-growth-feasibility-grader
Parametersttvrequiredpricerequiredvaluerequiredviralrequiredcurrencyselfserverequired
growth_team_hiring_sequence_planner
Growth Team Hiring Sequence Planner
Recommend the right growth/marketing hiring sequence for your ARR band, from founder-led at pre-$1M to a full leadership team at $10M+. See the full version at https://rahuldsarker.co/calculators/growth-team-hiring-sequence-planner
Parametersarrrequiredcurrency
bootstrapped_vs_venture_scaler_modeler
Bootstrapped vs Venture-Backed Scaler Modeler
Compare a founder's take-home from a bootstrapped exit against a venture-backed, diluted exit, and find the break-even exit value where raising starts to pay off. See the full version at https://rahuldsarker.co/calculators/bootstrapped-vs-venture-scaler-modeler
ParametersbootExitrequiredcurrencyventureExitrequiredbootOwnershipPctrequiredventureOwnershipPctrequired
internationalization_market_prioritization_grid
Internationalization Market Prioritization Grid
Score a candidate international market on size, localization ease, competitive whitespace, regulatory ease, and payments/GTM readiness to decide whether to prioritize, plan, or deprioritize it. See the full version at https://rahuldsarker.co/calculators/internationalization-market-prioritization-grid
Parameterssizerequiredcurrencypaymentsrequiredregulatoryrequiredcompetitionrequiredlocalizationrequired
annual_growth_goal_back_calculator
Annual Growth Goal Back-Calculator
Work backwards from an annual revenue goal, through ACV and close rates, to the traffic and leads needed per month to hit it. See the full version at https://rahuldsarker.co/calculators/annual-growth-goal-back-calculator
ParametersacvrequiredcurrencyrevenueGoalrequiredvisitorToLeadPctrequiredleadToCustomerPctrequired
organic_traffic_value_monetizer
Organic Traffic Value Monetizer
Value organic search traffic in ad-equivalent spend (clicks x CPC), and split out the non-branded portion that represents genuine, defensible SEO value. See the full version at https://rahuldsarker.co/calculators/organic-traffic-value-monetizer
ParametersavgCpcrequiredcurrencyorganicClicksrequiredbrandedSharePctrequired
strategic_pivot_risk_grader
Strategic Pivot Risk Grader
Grade the risk of pivoting upmarket to enterprise across sales motion, pricing/packaging, cash buffer, product compliance, and team experience. See the full version at https://rahuldsarker.co/calculators/strategic-pivot-risk-grader
Parameterscashrequiredteamrequiredmotionrequiredpricingrequiredproductrequiredcurrency
conversion_funnel
Conversion Funnel Calculator
Calculate conversion rate and the traffic needed to hit a target number of conversions at that rate. See the full version at https://rahuldsarker.co/calculators/conversion-funnel
Parameterstargetrequiredcurrencyvisitorsrequiredconversionsrequired
ab_test_significance_calculator
A/B Test Significance Calculator
Run a two-proportion z-test on an A/B test to get relative uplift and statistical confidence. See the full version at https://rahuldsarker.co/calculators/ab-test-significance-calculator
ParameterscurrencyvisitorsArequiredvisitorsBrequiredconversionsArequiredconversionsBrequired
page_speed_leak_calculator
Page Speed Leak Calculator
Estimate the extra conversions and revenue recovered by cutting page load time, using an industry-average per-second conversion penalty. See the full version at https://rahuldsarker.co/calculators/page-speed-leak-calculator
ParameterscurrencymonthlyVisitorsrequiredlossPerSecondPctconversionRatePctrequiredtargetLoadSecondsrequiredcurrentLoadSecondsrequiredvaluePerConversionrequired
above_the_fold_messaging_clarity_grader
Above-the-Fold Messaging Clarity Grader
Score a hero section's five-second clarity across five weighted checks (what you do, outcome, CTA, jargon, subhead) into a 0-100 clarity verdict. See the full version at https://rahuldsarker.co/calculators/above-the-fold-messaging-clarity-grader
ParameterscurrencynoJargonrequiredoneObviousPrimaryCtarequiredheadlineStatesOutcomerequiredsubheadSupportsHeadlinerequiredstrangerUnderstandsIn5Secondsrequired
micro_conversion_value_modeler
Micro-Conversion Value Modeler
Back into a proxy dollar value for an early-funnel micro-conversion from the value of a won customer and the micro-to-customer conversion rate. See the full version at https://rahuldsarker.co/calculators/micro-conversion-value-modeler
ParameterscurrencywonCustomerValuerequiredmicroToCustomerRatePctrequiredmonthlyMicroConversionsrequired
cart_abandonment_calculator
Cart Abandonment Calculator
Calculate revenue lost to cart abandonment and how much a recovery flow could win back. See the full version at https://rahuldsarker.co/calculators/cart-abandonment-calculator
ParameterscurrencyavgOrderValuerequiredcartsPerMonthrequiredrecoveryRatePctrequiredabandonmentRatePctrequired
cta_visual_hierarchy_tester
CTA Visual Hierarchy Tester
Score a call-to-action button's visibility using its real WCAG contrast ratio against the background plus size and placement. See the full version at https://rahuldsarker.co/calculators/cta-visual-hierarchy-tester
ParameterssizerequiredcurrencyplacementrequiredbuttonColorHexrequiredbackgroundColorHexrequired
typography_legibility_grader
Typography Legibility Grader
Score body copy legibility on font size, line height, and line length against ideal bands, into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/typography-legibility-grader
ParameterscurrencyfontSizePxrequiredlineHeightrequiredlineLengthCharsrequired
mobile_checkout_friction_tester
Mobile Checkout Friction Tester
Score a mobile checkout flow's friction from step count, guest checkout, wallet pay, autofill, and mobile input types into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/mobile-checkout-friction-tester
ParametersstepsrequiredcurrencywalletPayrequiredguestCheckoutrequiredautofillSupportedrequiredcorrectMobileInputsrequired
social_proof_strength_auditor
Social Proof Strength Auditor
Score the persuasive strength of testimonials and proof elements across six weighted criteria into a 0-100 credibility score. See the full version at https://rahuldsarker.co/calculators/social-proof-strength-auditor
ParameterscurrencyenoughVolumerequirednamedAndAttributedrequiredphotosLogosOrVideorequiredmatchesVisitorSegmentrequiredplacedNearDecisionPointsrequiredspecificQuantifiedResultsrequired
value_prop_strength_grader
Value Proposition Strength Grader
Score a value proposition on clarity, specificity, differentiation, outcome focus, and pain relevance into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/value-prop-strength-grader
ParameterscurrencyinstantlyClearrequiredfocusedOnOutcomerequiredspeaksToRealPainrequiredspecificNotGenericrequireddifferentiatedFromCompetitorsrequired
lead_magnet_copy_grader
Lead Magnet Copy Grader
Score a lead magnet's perceived opt-in value across five weighted criteria into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/lead-magnet-copy-grader
ParameterscurrencyfeelsCrediblerequiredappealingFormatrequireddeliversValueFastrequiredrelevantToIcpProblemrequiredspecificTangibleOutcomerequired
exit_intent_timing_optimizer
Exit-Intent Timing Optimizer
Estimate the best time to fire a timed exit-intent popup, based on average session duration, pages per session, and engaged-visitor share. See the full version at https://rahuldsarker.co/calculators/exit-intent-timing-optimizer
ParameterscurrencyengagedSharePctrequiredpagesPerSessionrequiredavgSessionSecondsrequired
friction_point_identifier
Friction Point Identifier
Count how many of 8 common conversion-flow friction points are present and turn that into a flow health score. See the full version at https://rahuldsarker.co/calculators/friction-point-identifier
ParameterscurrencyforcedUpsellsrequirednoTrustSignalsrequiredslowOrLaggyStepsrequiredtooManyFormFieldsrequirednoProgressIndicatorrequiredunclearOrLateErrorsrequiredlimitedPaymentOptionsrequiredaccountRequiredBeforeValuerequired
product_tour_effectiveness_grader
Product Tour Effectiveness Grader
Model a multi-step product tour funnel from start through completion to activation, and flag the biggest drop-off step. See the full version at https://rahuldsarker.co/calculators/product-tour-effectiveness-grader
ParameterscurrencytoursStartedrequiredactivationPctrequiredstep1CompletionPctrequiredstep2CompletionPctrequiredstep3CompletionPctrequired
pricing_page_architecture_grader
Pricing Page Architecture Grader
Score a pricing page's choice architecture across six weighted criteria (tiers, highlighting, anchoring, comparison, CTA, billing toggle) into a 0-100 score. See the full version at https://rahuldsarker.co/calculators/pricing-page-architecture-grader
ParameterscurrencyoneCtaPerTierrequiredanchoringPresentrequiredthreeToFourTiersrequiredclearFeatureComparisonrequiredbillingToggleWithSavingsrequiredrecommendedPlanHighlightedrequired
trust_badge_roi_estimator
Trust Badge ROI Estimator
Estimate the monthly and annual revenue lift from adding trust/security badges near a conversion point. See the full version at https://rahuldsarker.co/calculators/trust-badge-roi-estimator
ParameterscurrencyexpectedLiftPctmonthlyVisitorsrequiredvaluePerConversionrequiredcurrentConversionRatePctrequired
ux_pattern_anti_pattern_checker
UX Pattern Anti-Pattern Checker
Count how many of 8 known dark patterns are present in a user experience and turn that into an integrity score. See the full version at https://rahuldsarker.co/calculators/ux-pattern-anti-pattern-checker
ParameterscurrencyfakeUrgencyrequireddisguisedAdsrequiredtrickWordingrequiredconfirmshamingrequiredhiddenCostsLaterequiredforcedContinuityrequiredhardCancellationrequiredpreselectedAddOnsrequired
video_conversion_modeler
Video Conversion Modeler
Model the pipeline and revenue a video drives from views, completion rate, and post-completion conversion rate. See the full version at https://rahuldsarker.co/calculators/video-conversion-modeler
ParameterscurrencydealValuerequiredmonthlyViewsrequiredcompletionRatePctrequiredcompleterToConversionPctrequired
lead_quality_intent_evaluator
Lead Quality & Intent Evaluator
Split signups into corporate-email vs personal-email intent segments, apply different close rates to each, and score overall lead quality. See the full version at https://rahuldsarker.co/calculators/lead-quality-intent-evaluator
ParameterscurrencysignupsPerMonthrequiredpersonalCloseRatePctrequiredcorporateCloseRatePctrequiredcorporateEmailSharePctrequired
thank_you_page_revenue_maximizer
Thank-You Page Revenue Maximizer
Estimate the extra revenue from adding a secondary action (referral, upsell, booking, or community) on a thank-you page, using typical take rates. See the full version at https://rahuldsarker.co/calculators/thank-you-page-revenue-maximizer
ParametersactionrequiredcurrencyconversionsPerMonthrequiredtakeRatePctOverridevaluePerSecondaryActionrequired
sales_pipeline_leak_evaluator
Sales Pipeline Leak Evaluator
Run leads through the Lead → MQL → SQL → Opportunity → Win funnel and flag the weakest converting stage. See the full version at https://rahuldsarker.co/calculators/sales-pipeline-leak-evaluator
ParametersleadsrequiredcurrencytoMqlPctrequiredtoOppPctrequiredtoSqlPctrequiredtoWinPctrequired
pipeline_velocity_equation_engine
Pipeline Velocity Equation Engine
Calculate sales velocity, the revenue your pipeline generates per day, from open opportunities, win rate, deal value, and cycle length. See the full version at https://rahuldsarker.co/calculators/pipeline-velocity-equation-engine
ParameterscurrencycycleDaysrequiredwinRatePctrequiredavgDealValuerequiredopenOpportunitiesrequired
lead_routing_delay_cost_calculator
Lead Routing Delay Cost Calculator
Estimate the deals and revenue lost each month from slow lead response times, modeling how conversion decays with response delay. See the full version at https://rahuldsarker.co/calculators/lead-routing-delay-cost-calculator
ParameterscurrencydealValuerequiredmonthlyLeadsrequiredconversionAtTargetPctrequiredtargetResponseMinutesrequiredcurrentResponseMinutesrequired
crm_cleanup_roi_calculator
CRM Cleanup ROI Calculator
Quantify the rep hours and revenue lost to dirty CRM data each year, and the selling capacity a cleanup would free up. See the full version at https://rahuldsarker.co/calculators/crm-cleanup-roi-calculator
ParametersrepsrequiredcurrencyhourlyCostrequiredhoursWastedPerWeekrequired
sdr_capacity_and_inbound_quota_planner
SDR Capacity & Inbound Quota Planner
Work out how much inbound volume an SDR team can properly cover per month, and how many reps you would need to fully cover current inbound. See the full version at https://rahuldsarker.co/calculators/sdr-capacity-and-inbound-quota-planner
ParameterssdrsrequiredcurrencytouchesPerLeadrequiredminutesPerTouchrequiredsellingHoursPerDayrequiredworkingDaysPerMonthrequiredinboundLeadsPerMonthrequired
mql_to_sales_disconnect_analyzer
MQL-to-Sales Disconnect Analyzer
Measure the marketing spend wasted on MQLs that sales rejects, based on the accept rate between the two teams. See the full version at https://rahuldsarker.co/calculators/mql-to-sales-disconnect-analyzer
ParameterscurrencycostPerMqlrequiredmonthlyMqlsrequiredsalesAcceptRatePctrequired
lead_scoring_logic_architect
Lead Scoring Logic Architect
Score a lead on weighted fit and behavior criteria and get a routing recommendation (route to sales, nurture, or disqualify). See the full version at https://rahuldsarker.co/calculators/lead-scoring-logic-architect
ParameterscurrencyindustryFitrequiredcompanySizeFitrequiredtitleSeniorityrequiredhighIntentActionrequiredpricingPageVisitrequiredcontentEngagementrequired
lead_grading_calculator
Lead Grading Calculator
Turn firmographic fit criteria into an A–F lead grade, distinct from behavioral lead scoring. See the full version at https://rahuldsarker.co/calculators/lead-grading-calculator
ParameterscurrencyindustryFitrequiredcompanySizeFitrequiredbudgetConfirmedrequireddecisionMakerAccessrequiredserviceableGeographyrequired
gtm_audit_scorecard
GTM Tracking Audit Scorecard
Score your Google Tag Manager container health across eight weighted dimensions covering tag hygiene, consent, and reconciliation. See the full version at https://rahuldsarker.co/calculators/gtm-audit-scorecard
ParameterscurrencyconsentModeV2requirednoDuplicateTagsrequiredtaggedOwnershiprequiredversionChangeNotesrequireddataLayerDocumentedrequirednoOverfiringTriggersrequiredpreviewBeforePublishrequiredmonthlyReconciliationrequired
form_field_friction_cost_calculator
Form Field Friction Cost Calculator
Estimate the extra leads and pipeline value unlocked by trimming form fields, using a per-field conversion recovery rate. See the full version at https://rahuldsarker.co/calculators/form-field-friction-cost-calculator
ParameterscurrencytargetFieldsrequiredvaluePerLeadrequiredcurrentFieldsrequiredmonthlyVisitorsrequiredrecoveryPerFieldPctrequiredcurrentConversionPctrequired
tech_stack_duplication_inspector
Tech Stack Duplication Inspector
Estimate the monthly and annual SaaS spend wasted on overlapping tools, from total spend, tool count, and estimated feature overlap. See the full version at https://rahuldsarker.co/calculators/tech-stack-duplication-inspector
ParameterscurrencytoolCountrequiredoverlapPctrequiredmonthlySpendrequired
sales_cycle_length_forecaster
Sales Cycle Length Forecaster
Project total deal cycle length by adding stakeholder count and compliance/procurement gates to a base single-buyer cycle. See the full version at https://rahuldsarker.co/calculators/sales-cycle-length-forecaster
ParameterscurrencybaseCycleDaysrequiredcomplianceGaterequireddecisionMakersrequireddaysPerExtraStakeholderrequired
no_show_rate_revenue_restorer
No-Show Rate Revenue Restorer
Calculate the revenue lost each month to demo no-shows, and how much would be recovered by cutting the no-show rate by 5 or 10 points. See the full version at https://rahuldsarker.co/calculators/no-show-rate-revenue-restorer
ParameterscurrencyavgDealValuerequirednoShowRatePctrequireddemosBookedPerMonthrequiredheldDemoCloseRatePctrequired
inbound_call_center_routing_auditor
Inbound Call Center Routing Auditor
Estimate the customers and ARR put at risk each year by slow support routing and SLA breaches. See the full version at https://rahuldsarker.co/calculators/inbound-call-center-routing-auditor
ParameterscurrencyexcessChurnPctrequiredactiveCustomersrequiredslowSupportSharePctrequiredannualRevenuePerCustomerrequired
ae_sdr_hand_off_friction_calculator
AE/SDR Hand-off Friction Calculator
Quantify meetings and revenue lost when the SDR-to-AE hand-off is inconsistent, from scheduling, notes, CRM completeness, and SLA follow-up quality. See the full version at https://rahuldsarker.co/calculators/ae-sdr-hand-off-friction-calculator
ParameterscurrencyavgDealValuerequiredcrmConsistencyrequiredslaConsistencyrequirednotesConsistencyrequiredmeetingToCloseRatePctrequiredschedulingConsistencyrequiredmeetingsHandedOffPerMonthrequired
revops_maturity_benchmarker
RevOps Maturity Benchmarker
Score RevOps maturity across five dimensions (systems, attribution, governance, forecasting, automation) on a 1-4 scale and identify the weakest area. See the full version at https://rahuldsarker.co/calculators/revops-maturity-benchmarker
ParameterscurrencydataGovernancerequiredforecastingRigorrequiredprocessAutomationrequiredsystemConnectivityrequiredattributionAndReportingrequired
cross_sell_opportunity_estimator
Cross-Sell Opportunity Estimator
Estimate the expansion ARR available from cross-selling a second product into your existing single-product customer base. See the full version at https://rahuldsarker.co/calculators/cross-sell-opportunity-estimator
ParameterscurrencycrossSellAcvrequiredactiveCustomersrequiredexpectedAttachRatePctrequiredsingleProductSharePctrequired
data_enrichment_value_predictor
Data Enrichment Value Predictor
Compare the cost of manual rep research against an enrichment tool subscription, and calculate the net monthly savings and ROI. See the full version at https://rahuldsarker.co/calculators/data-enrichment-value-predictor
ParameterscurrencyhourlyCostrequiredminutesPerLeadrequiredtoolCostPerMonthrequiredrepsDoingResearchrequiredleadsResearchedPerWeekrequired
renewals_pipeline_health_grader
Renewals Pipeline Health Grader
Grade an account renewal on weighted 90-day signals (adoption, sponsor strength, support sentiment, realised value) and quantify ARR at risk. See the full version at https://rahuldsarker.co/calculators/renewals-pipeline-health-grader
ParameterscurrencyaccountArrrequiredproductAdoptionTrendrequiredrealisedValueVsGoalsrequiredsupportSentimentTrendrequiredexecutiveSponsorStrengthrequired
sales_commission_tier_modeler
Sales Commission Tier Modeler
Model a rep's commission payout under a base-plus-accelerator plan, and check it against gross margin to catch plans that outrun profitability. See the full version at https://rahuldsarker.co/calculators/sales-commission-tier-modeler
ParameterscurrencyannualQuotarequiredattainmentPctrequiredacceleratedRatePctrequireddealGrossMarginPctrequiredbaseCommissionRatePctrequiredacceleratorThresholdPctrequired
historical_data_drift_estimator
Historical Data Drift Estimator
Estimate how much of a contact database has gone stale since it was last cleansed, using an annual B2B data decay rate. See the full version at https://rahuldsarker.co/calculators/historical-data-drift-estimator
ParameterscurrencytotalContactsrequiredannualDecayRatePctrequiredmonthsSinceLastCleanserequired
contract_redline_duration_predictor
Contract Redline Duration Predictor
Predict how long legal redlines will take, whether the deal will slip past quarter-end, and the revenue at risk. See the full version at https://rahuldsarker.co/calculators/contract-redline-duration-predictor
ParameterspaperrequiredcurrencydealValuerequireddaysPerRoundrequireddaysToQuarterEndrequiredbaseLegalReviewDaysrequiredexpectedRedlineRoundsrequired
net_revenue_retention_forecaster
Net Revenue Retention Forecaster
Project ARR over three years from net revenue retention (gross churn and expansion), compounded on the existing base with no new customers. See the full version at https://rahuldsarker.co/calculators/net-revenue-retention-forecaster
ParametersarrrequiredsegmentcurrencyannualExpansionPctrequiredannualGrossChurnPctrequired
rule_of_40_sandbox
Rule of 40 Sandbox
Add YoY revenue growth and profit margin to see if a SaaS business clears the Rule of 40 benchmark. See the full version at https://rahuldsarker.co/calculators/rule-of-40-sandbox
ParameterscurrencyyoyGrowthPctrequiredprofitMarginPctrequired
cac_payback_period_matrix
CAC Payback Period Matrix
Calculate months to recover fully-loaded CAC on a gross-margin basis versus a raw-revenue basis. See the full version at https://rahuldsarker.co/calculators/cac-payback-period-matrix
ParameterscacrequiredsegmentcurrencymonthlyArparequiredgrossMarginPctrequired
saas_churn_cohort_visualizer
SaaS Churn Cohort Visualizer
Project how a customer cohort decays over time under a monthly churn rate, and the implied average customer lifespan. See the full version at https://rahuldsarker.co/calculators/saas-churn-cohort-visualizer
ParameterssegmentcurrencycohortSizerequiredmonthlyChurnPctrequired
acv_weight_planner
ACV Weight Planner
Break ARR down by SMB versus enterprise segments to see revenue concentration and per-customer averages. See the full version at https://rahuldsarker.co/calculators/acv-weight-planner
ParametersentAcvrequiredsmbAcvrequiredcurrencyentCountrequiredsmbCountrequired
expansion_revenue_impact_simulator
Expansion Revenue Impact Simulator
Estimate expansion ARR from an upsell offer and the new-logo CAC it would take to buy the same growth. See the full version at https://rahuldsarker.co/calculators/expansion-revenue-impact-simulator
ParameterscurrencyupsellAcvrequirednewLogoCacrequiredadoptionRatePctrequiredexistingCustomersrequired
freemium_to_paid_pipeline_modeler
Freemium to Paid Pipeline Modeler
Model monthly and annual new ARR from a freemium funnel, and the ARR still lagging in the upgrade pipeline. See the full version at https://rahuldsarker.co/calculators/freemium-to-paid-pipeline-modeler
ParameterspaidAcvrequiredcurrencymonthlySignupsrequiredconversionRatePctrequiredtimeToUpgradeMonthsrequired
saas_quick_ratio_engine
SaaS Quick Ratio Engine
Divide MRR gained (new + expansion) by MRR lost (contraction + churn) to measure growth durability. See the full version at https://rahuldsarker.co/calculators/saas-quick-ratio-engine
ParametersnewMrrrequiredcurrencychurnedMrrrequiredexpansionMrrrequiredcontractionMrrrequired
gross_margin_impact_calculator
Gross Margin Impact Calculator
Calculate gross profit and gross margin from revenue, infrastructure cost, and support/delivery cost. See the full version at https://rahuldsarker.co/calculators/gross-margin-impact-calculator
ParametersrevenuerequiredcurrencysupportCostrequiredinfrastructureCostrequired
seat_utilization_risk_assessor
Seat Utilization Risk Assessor
Estimate renewal ARR at risk from low seat utilization on a subscription contract. See the full version at https://rahuldsarker.co/calculators/seat-utilization-risk-assessor
ParameterscurrencyrenewalArrrequiredseatsActiverequiredseatsPurchasedrequired
enterprise_contract_discount_evaluator
Enterprise Contract Discount Evaluator
Show how much lifetime profit an enterprise discount actually gives away, since cost-to-serve does not drop with price. See the full version at https://rahuldsarker.co/calculators/enterprise-contract-discount-evaluator
ParameterslistAcvrequiredcurrencytermYearsrequireddiscountPctrequiredgrossMarginPctrequired
mrr_bridge_planner
MRR Bridge Planner
Bridge starting MRR to ending MRR across new, expansion, resurrected, contraction, and churned movements. See the full version at https://rahuldsarker.co/calculators/mrr-bridge-planner
ParametersnewMrrrequiredcurrencychurnedMrrrequiredstartingMrrrequiredexpansionMrrrequiredcontractionMrrrequiredresurrectedMrrrequired
ltv_to_cac_ratio_health_grader
LTV : CAC Ratio Health Grader
Grade the LTV:CAC ratio on a gross-margin basis against health bands, from losing money to under-investing. See the full version at https://rahuldsarker.co/calculators/cac-ltv
ParameterscacrequiredltvrequiredcurrencygrossMarginPctrequired
saas_valuation_multiple_predictor
SaaS Valuation Multiple Predictor
Estimate a directional ARR multiple and enterprise value range from growth, net revenue retention, and gross margin. See the full version at https://rahuldsarker.co/calculators/arr-multiple-calculator
ParametersarrrequirednrrPctrequiredcurrencyyoyGrowthPctrequiredgrossMarginPctrequired
product_usage_frequency_grader
Product Usage Frequency Grader
Grade product stickiness from DAU/MAU into bands from idle tab to daily utility. See the full version at https://rahuldsarker.co/calculators/product-usage-frequency-grader
Parametersdaurequiredmaurequiredcurrency
b2b_implementation_delay_cost_calculator
B2B Implementation Delay Cost Calculator
Estimate revenue delayed each year by a slow onboarding gap between signature and go-live, and what halving it recovers. See the full version at https://rahuldsarker.co/calculators/b2b-implementation-delay-cost-calculator
ParametersacvrequiredcurrencydelayWeeksrequireddealsPerYearrequired
customer_success_capacity_planner
Customer Success Capacity Planner
Compare CSM account load against a healthy book size to see capacity utilization and the hiring gap. See the full version at https://rahuldsarker.co/calculators/customer-success-capacity-planner
ParameterscsmCountrequiredcurrencytotalAccountsrequiredhealthyAccountsPerCsmrequired
deferred_revenue_amortization_planner
Deferred Revenue Amortization Planner
Straight-line an upfront payment across the contract term to see revenue recognized to date versus the remaining deferred-revenue liability. See the full version at https://rahuldsarker.co/calculators/deferred-revenue-amortization-planner
ParameterscurrencytermMonthsrequiredmonthsElapsedrequiredupfrontPaymentrequired
net_promoter_score_impact_modeler
Net Promoter Score Impact Modeler
Turn promoter and detractor percentages into NPS, net advocacy, and the organic referral pipeline promoters generate. See the full version at https://rahuldsarker.co/calculators/net-promoter-score-impact-modeler
ParameterscurrencypromoterPctrequiredcustomerBaserequireddetractorPctrequiredreferralRatePctrequired
marketing_budget
Marketing Budget Calculator
Size an annual and monthly marketing budget as a percentage of revenue, based on a growth posture (maintain, grow, or aggressive) or a custom override. See the full version at https://rahuldsarker.co/calculators/marketing-budget
ParametersposturecurrencycustomPctannualRevenuerequired
rto_adjusted_roas_calculator
RTO-Adjusted ROAS Calculator (India COD)
Work out ROAS after Return-to-Origin (RTO) on cash-on-delivery orders: delivered revenue, RTO cost, RTO-adjusted ROAS and effective cost per delivered order. See the full version at https://rahuldsarker.co/calculators/rto-adjusted-roas-calculator
ParametersaovrequiredspendrequiredordersrequiredcurrencycodRtoPctrequiredcodSharePctrequiredprepaidRtoPctrequiredshippingPerRtorequired
sales_quota_calculator
Sales Quota Calculator (Top-Down vs Bottom-Up)
Set sales quotas two ways and compare: top-down (revenue target split across reps at an expected attainment) and bottom-up (what each rep can realistically close). See the full version at https://rahuldsarker.co/calculators/sales-quota-calculator
ParametersrepsrequiredtargetrequiredrampPctrequiredcurrencydealSizerequiredwinRatePctrequiredcycleMonthsrequiredattainmentPctrequiredopenOppsPerReprequired
sales_rep_ramp_calculator
Sales Rep Ramp Time and Cost Calculator
Estimate the cost of ramping new sales reps: unproductive cost during ramp, bookings lost versus fully ramped reps, first-year bookings and payback month. See the full version at https://rahuldsarker.co/calculators/sales-rep-ramp-calculator
ParameterscurvehiresrequiredcurrencyrampMonthsrequiredmonthlyCostrequiredmonthlyQuotarequired
email_marketing_roi_calculator
Email Marketing ROI Calculator
Estimate monthly revenue, ROI, revenue per email and revenue per subscriber from an email programme, in ecommerce or B2B pipeline mode. See the full version at https://rahuldsarker.co/calculators/email-marketing-roi-calculator
ParametersopenPctrequiredcurrencylistSizerequiredtoolCostrequiredpeopleCostrequiredwinRatePctconversionPctrequiredclickToOpenPctrequiredemailsPerMonthrequiredvaluePerConversionrequired
seat_vs_usage_pricing_calculator
Seat vs Usage Pricing Calculator
Compare per-seat, usage-based and hybrid (platform fee plus overage) pricing revenue for a customer mix of small, mid and large accounts. See the full version at https://rahuldsarker.co/calculators/seat-vs-usage-pricing-calculator
ParameterscurrencymidSeatsrequiredmidUnitsrequiredseatPricerequiredunitPricerequiredlargeSeatsrequiredlargeUnitsrequiredsmallSeatsrequiredsmallUnitsrequiredplatformFeerequiredmidCustomersrequiredoveragePricerequired+3 more
advertising_to_sales_ratio_calculator
Advertising to Sales Ratio Calculator
Calculate the advertising-to-sales (A/S) ratio from advertising spend and net sales, with an optional prior period for the trend and the incremental ratio. See the full version at https://rahuldsarker.co/calculators/advertising-to-sales-ratio-calculator
ParametersadSpendrequiredcurrencynetSalesrequiredpriorAdSpendpriorNetSales
find_calculator
Find the right calculator
Search the 110+ marketing, sales, RevOps and SaaS calculators by what you want to work out (e.g. "payback on ad spend", "churn", "valuation"). Returns tool names and their inputs; run one with run_calculator or call it directly.
Parameterslimitqueryrequired
run_calculator
Run a calculator by name
Run any rahuldsarker.co calculator by its tool name (from find_calculator). Inputs you leave out are asked of the person directly when the client supports forms; otherwise the result lists what to ask for.
Parametersnamerequiredarguments
benchmark_metric
Benchmark a marketing or SaaS metric
Say whether a number is good: returns the band (e.g. "Healthy", "Below target"), the target range and what it means, for LTV:CAC, CAC payback, churn, NRR, GRR, Rule of 40, Magic Number, burn multiple, quick ratio, gross margin, ROAS, conversion rate, marketing budget % of revenue and NPS. Rules of thumb, not guarantees.
ParametersvaluerequiredmetricrequiredsegmentgrossMarginPct
request_callback
Ask Rahul D Sarker to get in touch
Send the person's name, email, phone and what they need help with to Rahul D Sarker, who replies directly. Only use when the person asks to be contacted. Where the client supports forms, they review and submit the details themselves; otherwise show them the details and set confirmed only after they agree. To pick a call time instead, use check_availability.
ParametersemailphonecompanymessagelastNameconfirmedfirstName