Free Online Tool
Margin Calculator
Check product margin from sale price, cost, and optional fee rate.
The result will appear here.
How to Use
- Enter sale price and cost.
- Add a fee rate if needed.
- Review margin amount and margin rate.
Examples
- Margin for a 50,000 sale price and 30,000 cost
- Net margin after a 10% platform fee
Calculation and Conversion Notes
Fee is calculated as `sale price × fee rate / 100`. Margin is calculated as `sale price - cost - fee`. Margin rate is calculated as `margin / sale price × 100`.
FAQ
Does Margin Calculator save my input?
No. Your input is not stored on a server. Supported actions run in your browser.
Can I use it on mobile?
Yes. The pages are responsive and work on desktop and mobile browsers.
Can I rely on the result?
Use the result as a quick reference. Important work should be checked separately.