Contribution Margin Calculator
Per-unit and total contribution margin.
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 Contribution Margin Calculator to nail Contribution 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 Contribution Margin Calculator
Contribution margin is the revenue left from each unit after variable costs, available to cover fixed costs and profit. The formula is simple: Contribution Margin = Price per Unit − Variable Cost per Unit. For example, a $50 price minus $20 of variable cost is $30 per unit. The free Contribution Margin Calculator does the math for you — just enter your price per unit and variable cost per unit and read the result instantly. It runs entirely in your browser with no sign-up, no limits and nothing to install.
How to use Contribution Margin Calculator
- 1Enter your price per unit and variable cost per unit into the calculator.
- 2The Contribution Margin is computed automatically using the formula Contribution Margin = Price per Unit − Variable Cost per Unit — there's no button to press.
- 3Change any input to model a different scenario, then note or copy the result.
Why use Contribution Margin Calculator?
- ✓Calculates Contribution 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 Contribution Margin?+
Contribution margin is the revenue left from each unit after variable costs, available to cover fixed costs and profit. The formula is: Contribution Margin = Price per Unit − Variable Cost per Unit. For example, a $50 price minus $20 of variable cost is $30 per unit.
What is the contribution margin ratio?+
It's contribution margin ÷ price as a percentage — it shows how much of each sale helps cover fixed costs.
Is the Contribution 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 Contribution Margin Calculator runs entirely in your browser, so the figures you enter are never uploaded or stored on any server.
Embed Contribution Margin Calculator on your website
Want Contribution 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.
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