Amazon Fba Calculator

by nexscope-ai0f3b13fa0e5eNo licenseListed Oct 8, 2026Updated Oct 8, 2026

Amazon FBA Calculator - Complete fee breakdown and profit analysis

Includes scriptsBusiness & Finance
AI-generated overview

Calculates Amazon FBA fees and profit metrics from product dimensions, weight, price and cost inputs.

What it does
Classifies a product into a 2024 Amazon size tier from its dimensions and weight, then computes FBA fulfillment, monthly storage, long-term storage and category referral fees. It produces a fee breakdown table plus profit metrics such as gross and net margin and ROI, along with optimization suggestions on size, weight and inventory. A bundled Python script performs the calculation and accepts a JSON input, with an optional Chinese-language output flag.
When to use it
Use it when evaluating whether an Amazon FBA product is profitable, or when comparing fee and margin outcomes across products, sizes or price points. It suits sellers and analysts who need a quick fee and margin breakdown before sourcing or listing.
Requirements
Requires a Python 3 runtime to run the bundled scripts/calculator.py. Input is supplied as JSON on the command line or interactively; no credentials or network access are described.

Amazon FBA Calculator (Lite)

Precise FBA fee calculation based on product dimensions and weight.

Features

  • Size Tier Detection - Automatic classification
  • FBA Fulfillment Fee - 2024 rates
  • Monthly Storage Fee - Standard & Peak season
  • Long-term Storage Fee - 271+ days aging
  • Referral Fee - By category
  • Profit Analysis - Gross/Net margin, ROI
  • Optimization Tips - Size, weight, inventory

Size Tiers (2024)

TierMax WeightMax Dimensions
Small Standard1 lb15"×12"×0.75"
Large Standard20 lb18"×14"×8"
Small Oversize70 lb60"×30"
Medium Oversize150 lbL+Girth ≤108"
Large Oversize150 lbL+Girth ≤165"
Special Oversize>150 lb>165"

Input

json
{  "length": 10.0,  "width": 6.0,  "height": 3.0,  "weight": 1.2,  "selling_price": 29.99,  "product_cost": 8.00,  "inbound_shipping_cost": 1.50,  "category": "kitchen"}

Output

  • Size tier classification
  • Fee breakdown table
  • Profit metrics (margin, ROI)
  • Optimization suggestions

Usage

bash
python3 scripts/calculator.pypython3 scripts/calculator.py '{"length": 10, "width": 6, ...}' --zh

Version 1.0.0 | Platform: Amazon | Variant: Lite

Part of Nexscope AI — AI tools for e-commerce sellers.

Source and attribution

Source:nexscope-ai/amazon-skillsinamazon-fba-calculatorat commit0f3b13f

License: No license

Content belongs to its original authors. SourceWeft indexes it from a public repository.

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