Contribution Margin Calculator
See how much each sale covers fixed costs.
Runs locally in your browser — your numbers never leave this pageTry: Price / unit=100, Variable cost / unit=60 → $100, $60, $40, 40.00%
How to use
Contribution margin is the money left per unit after variable costs. It funds fixed costs and profit, and drives break-even math.
Formula
CM = Price − Variable cost
FAQ
Why does it matter?
Only contribution margin, not full price, is available to cover fixed costs.
Fixed costs go where?
They are covered after each unit’s contribution margin accumulates.
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