Operating Leverage Calculator
Calculate your degree of operating leverage from fixed costs, variable costs, and revenue.
See how a revenue shift amplifies changes in operating profit.
Degree of Operating Leverage (DOL)
Operating leverage measures how sensitive a company’s operating profit is to changes in revenue. The degree of operating leverage (DOL) tells you: if revenue increases by 1%, by how much does operating income change?
Formula:
DOL = Contribution Margin / Operating Income
Where:
- Contribution Margin = Revenue − Variable Costs
- Operating Income = Contribution Margin − Fixed Costs
Alternative formula (from percentage changes):
DOL = % Change in Operating Income / % Change in Revenue
Interpreting the result:
| DOL | Meaning |
|---|---|
| DOL = 2 | A 10% revenue rise produces a 20% EBIT increase |
| DOL = 3 | A 10% revenue rise produces a 30% EBIT increase |
| DOL = 5 | A 10% revenue rise produces a 50% EBIT increase — high leverage |
High operating leverage means the company has a large proportion of fixed costs. This creates significant upside during growth — but also significant downside when revenue falls.
Fixed vs variable costs:
Fixed costs remain constant regardless of output: rent, salaries, insurance, depreciation. Variable costs scale with revenue: raw materials, direct labor, commissions, shipping.
A software company (low variable costs, high fixed R&D) has high operating leverage. A staffing agency (variable workforce costs) has low operating leverage.
The contribution margin ratio:
Contribution Margin Ratio = (Revenue − Variable Costs) / Revenue
A high CM ratio means each additional dollar of revenue drops through to profit more efficiently.
Relationship to break-even:
High operating leverage means the break-even point requires more revenue to reach. But once past break-even, profits scale rapidly — this is the double-edged nature of leverage.
When DOL is most useful:
DOL is a point-in-time metric calculated near the current operating level. It changes as revenue moves further above or below the break-even point. Use it alongside sensitivity analysis to model different revenue scenarios.
Industry examples:
Airlines, utilities, and manufacturers typically have high DOL. Professional service firms, consultancies, and variable-workforce businesses have lower DOL.