How it works
Fill in the 2 fields above and Profit Margin Calculator calculates the result instantly, recalculating as you change any value. It applies the formula margin = (price − cost) / price × 100. The math runs locally in your browser — nothing is sent to a server.
Formula
margin = (price − cost) / price × 100Examples
- Cost 60, Selling price 100 → Profit margin: 40%
Frequently asked questions
How do I use the Profit Margin Calculator?
Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Profit Margin Calculator use?
It uses margin = (price − cost) / price × 100. The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Profit Margin Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Profit Margin Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on finance and the rest of the platform, you can use it as often as you like.
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