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)

Tier	Max Weight	Max Dimensions
Small Standard	1 lb	15"×12"×0.75"
Large Standard	20 lb	18"×14"×8"
Small Oversize	70 lb	60"×30"
Medium Oversize	150 lb	L+Girth ≤108"
Large Oversize	150 lb	L+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

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Version 1.0.0 | Platform: Amazon | Variant: Lite

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