# Amazon Fba Calculator

Amazon FBA Calculator - Complete fee breakdown and profit analysis

- Repository: https://github.com/nexscope-ai/Amazon-Skills (822 stars)
- Category: Engineering
- License: MIT
- Last updated: 2026-08-26
- Runs scripts: yes, review before use

## Install

Claude Code: `npx skills add nexscope-ai/Amazon-Skills --skill amazon-fba-calculator -g -a claude-code -y`
Codex: `npx skills add nexscope-ai/Amazon-Skills --skill amazon-fba-calculator -g -a codex -y`
Cursor: `npx skills add nexscope-ai/Amazon-Skills --skill amazon-fba-calculator -g -a cursor -y`
Gemini CLI: `npx skills add nexscope-ai/Amazon-Skills --skill amazon-fba-calculator -g -a gemini-cli -y`

## Description

Amazon FBA Calculator - Complete fee breakdown and profit analysis

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# 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
```

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_Version 1.0.0 | Platform: Amazon | Variant: Lite_

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**Part of [Nexscope AI](https://www.nexscope.ai/?co-from=skill), AI tools for e-commerce sellers.**