FREE ONLINE CALCULATOR

Contribution Margin Calculator

Calculate unit and aggregate contribution margin from selling price and variable costs.

✓ Instant results ✓ Editable inputs ✓ Formula explained
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BUSINESS_ECOMMERCE · TOOLS
01 · Know your costs 02 · Set assumptions 03 · Compare margin
CALCULATION TOOL

Contribution Margin Calculator

Change any value and calculate again.

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Uses the values you enter. No account required.
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HOW IT WORKS

The calculation

Contribution margin per unit = selling price − variable cost; contribution margin ratio = unit contribution ÷ price × 100.

Read the full guide →
ASSUMPTIONS

Know the limitations

Contribution is before fixed costs, interest and taxes.

Results are estimates derived from your inputs.

ABOUT THIS TOOL

When to use a contribution margin calculator

Calculate unit and aggregate contribution margin from selling price and variable costs.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.

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