Amazon FBA Calculator (Lite)

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)

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