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Contribution Margin & Break-Even Sensitivity Calculator

CM% = (P−VC)/P — operating leverage sensitivity.

Calculates contribution margin per unit, contribution margin ratio, degree of operating leverage (DOL), and break-even units from sales data.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

CM = P − VC; CM% = CM/P; DOL = CM×units / (CM×units − FC)

In depth

Calculates contribution margin per unit, contribution margin ratio, degree of operating leverage (DOL), and break-even units from sales data.