Calculate profit margin, markup percentage, and gross profit. Supports multiple calculation modes.
Last updated: September 2026Margin = Profit / Selling Price = 40.00%
Markup = Profit / Cost Price = 66.67%
| Markup % | Margin % | Multiplier | Example |
|---|---|---|---|
| 20% | 16.67% | 1.20x | $60 cost → $72 sell |
| 25% | 20.00% | 1.25x | $60 cost → $75 sell |
| 33.33% | 25.00% | 1.33x | $60 cost → $80 sell |
| 50% | 33.33% | 1.50x | $60 cost → $90 sell |
| 100% | 50.00% | 2.00x | $60 cost → $120 sell |
Margin Calculator is a free browser-based tool that lets you calculate profit margin, markup percentage, cost, and revenue for business pricing decisions. It processes everything locally in your browser using JavaScript, so your data never leaves your device. No sign-up, no installation, and no server uploads required — just open the tool and start using it immediately.
This tool is particularly useful when setting product prices, analyzing profitability, comparing margin across product lines, or preparing financial reports. Since it runs entirely in your browser, it works offline after the page loads and keeps your data completely private. Whether you are a developer, designer, student, or professional, this business tool saves time and eliminates the need for desktop software installation.
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