amazon-fba-calculator
The Amazon FBA Calculator computes fulfillment fees, storage charges, referral costs, and profit margins for products sold through Amazon's fulfillment network. Use it when evaluating product profitability, optimizing inventory decisions, or analyzing which size tier classification affects pricing and fees for items being sold on Amazon.
git clone --depth 1 https://github.com/nexscope-ai/Amazon-Skills /tmp/amazon-fba-calculator && cp -r /tmp/amazon-fba-calculator/amazon-fba-calculator ~/.claude/skills/amazon-fba-calculatorSKILL.md
# 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
```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.py
python3 scripts/calculator.py '{"length": 10, "width": 6, ...}' --zh
```
---
_Version 1.0.0 | Platform: Amazon | Variant: Lite_
---
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