Contribution Margin Calculator

Calculate contribution margin and contribution margin ratio for break-even and operating planning.

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Calculator inputs

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Sales

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Calculated from the values above

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Contribution margin ratio$-20.00 %Primary calculated value

Contribution marginSupporting metric

$-200.00

CalculationBased on your current inputs

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Method, formula and practical notes

Subtract variable costs from sales to find the amount available to cover fixed costs.

FormulaContribution margin = Sales − Variable costs. Ratio = Contribution margin ÷ Sales × 100.

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Calculator guide

Calculate contribution margin and contribution margin ratio for break-even and operating planning.

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Contribution margin = Sales − Variable costs. Ratio = Contribution margin ÷ Sales × 100.

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Subtract variable costs from sales to find the amount available to cover fixed costs.

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