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amazon-fba-calculator

amazon-fba-calculator

github.com/nexscope-aiOther8141.2k installsUpdated 9w ago
Repository

About amazon-fba-calculator

Amazon FBA Calculator (Lite) is a skill for estimating Amazon FBA fees and product profitability from dimensions, weight, and costs. It classifies size tiers and reports fee details, profit metrics, and optimization suggestions.

Key features

  1. 01Classifies product size tiers
  2. 02Calculates 2024 fulfillment fees
  3. 03Estimates storage and long-term fees
  4. 04Calculates category referral fees
  5. 05Reports margins and ROI
  6. 06Suggests product and inventory optimizations

Use cases

  1. 01Estimating FBA fees before listing
  2. 02Checking margins for a product
  3. 03Reviewing storage costs by season and age

Install

Copy the command and run it in a terminal.

$npx skills add https://github.com/nexscope-ai/amazon-skills --skill amazon-fba-calculator

After installing, type/amazon-fba-calculatorin Claude Code to confirm it loaded.

Bundled filesscripts/calculator.py

Details

From the project README

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

{
  "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

python3 scripts/calculator.py
python3 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.

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