Operating Leverage Calculator

The Operating Leverage Calculator helps you understand how sensitive your operating profit is to a change in sales. Operating leverage measures the mix of fixed and variable costs in your business, and the more you rely on fixed costs the more your profit swings as revenue moves up or down. You enter your total sales, your variable costs and your fixed costs, and the tool returns your degree of operating leverage, usually shown as a multiple, along with your operating income. The degree of operating leverage, or DOL, is your contribution margin divided by your operating income, where contribution margin is sales minus variable costs and operating income is contribution margin minus fixed costs. A DOL of 2.5 means a 10 percent rise in sales should lift operating profit by about 25 percent, and a 10 percent fall in sales would cut it by the same amount. Business owners, finance managers and accountants use this to plan, to set pricing and to weigh the risk of a cost structure that leans heavily on rent, salaries or equipment. A few good habits help. Compare your DOL across years rather than reading a single figure in isolation, because the trend tells you how risk is building. Watch your operating income closely when it is small, because a low denominator can push DOL very high and exaggerate the effect. Finally, pair this with a break even view so you know the sales level you must hold to cover fixed costs, then keep a sensible buffer above it. Used together these checks give you a clear, honest picture of how exposed your earnings are to a downturn.

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Total sales ($)

Variable costs ($)

Fixed costs ($)

2.50x

Degree of operating leverage

Contribution margin$200,000

Operating income$80,000

DOL = contribution margin / operating income, where contribution margin = sales - variable costs and operating income = contribution margin - fixed costs. Estimate only, not financial or tax advice.

How it works

Contribution margin is sales minus variable costs. Operating income is the contribution margin minus fixed costs. The degree of operating leverage is the contribution margin divided by the operating income, shown as a multiple.

Worked example

With sales of $500,000 and variable costs of $300,000, contribution margin is $200,000. Taking off fixed costs of $120,000 leaves operating income of $80,000. Dividing $200,000 by $80,000 gives a DOL of 2.50x.

Related calculators

Contribution Margin Calculator: contribution per unit.
Gross Profit Calculator: total gross profit.
Operating Margin Calculator: operating profit percent.
EBITDA Margin Calculator: earnings before items.
Leverage - When Borrowing Multiplies Outcomes: background on this topic.

Frequently asked questions

What is the degree of operating leverage?

The degree of operating leverage is your contribution margin divided by your operating income. It tells you the percentage change in operating profit you can expect from a one percent change in sales. A higher number means your profit reacts more sharply to changes in revenue.

Is high operating leverage good or bad?

It depends on your outlook. High operating leverage boosts profit quickly when sales grow because fixed costs are already covered. The same leverage works against you in a downturn, so it carries more risk when revenue is uncertain.

What counts as a fixed cost?

Fixed costs stay broadly the same regardless of sales volume, such as rent, insurance, salaried wages and depreciation. Variable costs rise and fall with output, such as materials and freight. Splitting them correctly is the key to a reliable result.