Degree of Operating Leverage Calculator
Find how strongly operating income reacts to sales changes, from your cost structure or from two periods of results.
Quick answer
Degree of operating leverage shows how much EBIT moves when sales change: DOL = contribution margin / EBIT, where contribution margin = sales - variable costs. Or use % change in EBIT / % change in sales.
Degree of Operating Leverage Calculator
Use a negative value to test a decline.
Degree of Operating Leverage
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Base EBIT
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Contribution Margin Ratio
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Predicted EBIT Change
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Predicted EBIT
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Break-even Sales
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EBIT Sensitivity to Sales
| Sales change | Sales (₹) | EBIT (₹) | EBIT change |
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Assumptions & method
- Cost method: contribution margin = sales − variable costs; EBIT = contribution margin − fixed costs; DOL = contribution margin ÷ EBIT.
- Percentage method: DOL = % change in EBIT ÷ % change in sales, between the two periods you enter.
- Predicted EBIT = base EBIT × (1 + DOL × sales change). Break-even sales = fixed costs ÷ contribution margin ratio (cost method only).
- Assumes fixed costs stay fixed and variable costs move in proportion to sales, within a limited range of volumes.
- DOL is not meaningful when EBIT is zero or negative. Not included: price changes, step-fixed costs, taxes or interest.
Results are estimates based on the figures you enter. They are not guarantees and not financial advice.
How operating leverage works
Operating leverage comes from fixed costs. When a business has high fixed costs and low variable costs, each additional sale adds mostly to profit, so a small rise in sales produces a larger rise in operating income. The same logic works in reverse when sales fall. The degree of operating leverage puts a number on it: contribution margin divided by operating income, or equivalently the percentage change in EBIT divided by the percentage change in sales. This calculator supports both methods, shows contribution margin and break-even sales when you give costs, and estimates the EBIT for a sales change you choose, with a simple sensitivity table and chart.