Gross Margin Calculator
Gross profit and margin from revenue and COGS.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Founders, finance teams and accountants rely on the free Gross Margin Calculator to nail Gross Margin in seconds — no spreadsheets, no sign-up. Enter your numbers, get an accurate result instantly, and compare scenarios to make smarter pricing, budgeting and growth calls.
About Gross Margin Calculator
Gross margin is the percentage of revenue left after the direct cost of goods sold (COGS). The formula is simple: Gross Margin % = (Revenue − COGS) ÷ Revenue × 100. For example, $100k revenue minus $30k COGS is a 70% gross margin. The free Gross Margin Calculator does the math for you — just enter your revenue and your cost of goods sold and read the result instantly. It runs entirely in your browser with no sign-up, no limits and nothing to install.
How to use Gross Margin Calculator
- 1Enter your revenue and your cost of goods sold into the calculator.
- 2The Gross Margin is computed automatically using the formula Gross Margin % = (Revenue − COGS) ÷ Revenue × 100 — there's no button to press.
- 3Change any input to model a different scenario, then note or copy the result.
Why use Gross Margin Calculator?
- ✓Calculates Gross Margin instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the numbers you enter stay private
- ✓Updates live as you type — perfect for comparing scenarios
Frequently asked questions
How do you calculate Gross Margin?+
Gross margin is the percentage of revenue left after the direct cost of goods sold (COGS). The formula is: Gross Margin % = (Revenue − COGS) ÷ Revenue × 100. For example, $100k revenue minus $30k COGS is a 70% gross margin.
Gross margin vs gross profit — what's the difference?+
Gross profit is the dollar amount (Revenue − COGS); gross margin expresses that same figure as a percentage of revenue.
Is the Gross Margin Calculator free to use?+
Yes — it's completely free, with no sign-up, no login and no usage limits. You can run it as many times as you like.
Is my data private?+
Yes. The Gross Margin Calculator runs entirely in your browser, so the figures you enter are never uploaded or stored on any server.
Embed Gross Margin Calculator on your website
Want Gross Margin Calculatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
<iframe src="https://tooljolt.com/tools/gross-margin-calculator" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="Gross Margin Calculator — ToolJolt" loading="lazy"></iframe>