A robust CLI tool for calculating real Amazon FBA profit margins, including 2026 fee schedules and category-specific referral costs.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install amazon-fee-calculator
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install amazon-fee-calculator using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Amazon FBA Fee Calculator?
The Amazon FBA Fee Calculator is a specialized tool designed for sellers to determine their exact profitability before listing products. By integrating the latest fee structures, it removes the guesswork from FBA economics, ensuring every Openclaw Skills user has access to precise net margin data. This skill handles complex calculations like seasonal storage fees and tiered referral rates automatically, providing a clear picture of the net margin and ROI for any inventory item.
Amazon FBA Fee Calculator Use Cases
- Evaluating product feasibility before sourcing inventory.
- Comparing FBA vs. FBM fulfillment costs to optimize logistics.
- Calculating break-even prices during sales or aggressive PPC campaigns.
- Projecting monthly and annual profits based on inventory volume and seasonal storage fluctuations.
How Amazon FBA Fee Calculator Works
- Input the base retail price and Cost of Goods Sold (COGS) into the script.
- Provide optional parameters such as product weight, dimensions, and shipping costs to the FBA warehouse.
- Specify the product category to trigger the specific referral fee logic for that niche.
- The script processes these inputs against the internal 2026 Amazon fee schedule database.
- The tool outputs a detailed breakdown of referral fees, fulfillment costs, storage rates, and final net profit projections.
Amazon FBA Fee Calculator Setup
This skill requires no external dependencies or API keys. Simply navigate to the script directory within your Openclaw Skills environment and run the Python script:
# Basic calculation: selling price + product cost
cd <skill_dir>/scripts && python3 calculator.py 24.99 5.00
# Detailed calculation with options
cd <skill_dir>/scripts && python3 calculator.py 9.95 2.00 --ship 0.50 --weight 8 --category grocery --units 200
Amazon FBA Fee Calculator Data Schema & Taxonomy
The calculator uses a structured input model to generate profitability reports. The following data points are processed:
| Attribute | Type | Description |
|---|---|---|
price |
Float | The target customer-facing selling price |
cost |
Float | The per-unit cost of goods sold (COGS) |
category |
String | Used to determine referral fee percentages (e.g., grocery, beauty) |
weight |
Integer | Product weight in ounces for shipping tier classification |
ppc |
Float | Optional per-unit advertising spend for net margin adjustment |
Amazon FBA Fee Calculator Advanced Features
- Support for 20+ specific Amazon product categories with tiered referral fee thresholds.
- Automated size tier classification based on dimensions and weight inputs.
- Integrated PPC and advertising cost modules for realistic net profit assessment.
- Monthly and annual projections based on volume inputs.
- Pure Python 3 implementation for high portability across different Openclaw Skills setups.
SKILL.md
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