Combined Leverage Calculator
Total leverage amplification.
Calculate degree of combined leverage from operating leverage and financial leverage — the total EPS sensitivity to a revenue change.
What this tool does
Degree of combined leverage measures total earnings sensitivity to a revenue change by multiplying operating leverage and financial leverage together. This calculator takes your operating leverage and financial leverage figures and returns combined leverage, which shows how a percentage change in revenue translates into a percentage change in earnings per share. The result illustrates the amplification effect across both operational efficiency and capital structure. Operating leverage—reflecting fixed costs relative to variable costs—and financial leverage—reflecting debt relative to equity—are the primary drivers of this combined effect. A typical scenario might involve a business analysing how a 10% revenue increase flows through to shareholder earnings after accounting for both production costs and financing obligations. Note that this calculation is educational and models behaviour under stated conditions; actual outcomes depend on numerous external factors not captured here.
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Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Degree of Combined Leverage (DCL) = DOL × DFL. It measures total sensitivity of EPS to revenue changes. A DCL of 6 means a 10% revenue change causes 60% EPS change. Combines operating risk (high fixed costs) with financial risk (high debt) into a single amplification factor.
DOL 3.0 × DFL 2.0 = DCL 6.0. A 10% revenue increase lifts EPS by 60%. But a 10% revenue drop cuts EPS by 60%. High DCL = exciting on the way up, devastating on the way down. Airlines (high fixed costs + high debt) routinely run DCL above 8, which explains their boom-bust profit cycles.
Companies should manage DCL deliberately. High operating leverage (fixed costs) + high financial leverage (debt) = very high DCL. If you can't control one (capital-intensive industry = high DOL), control the other (keep debt low). The product of the two determines total risk exposure to revenue fluctuations.
Run it with sensible defaults
Using dol of 3, dfl of 2, the calculation works out to 6.00x. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — DOL (Operating Leverage) and DFL (Financial Leverage) — do not pull with equal force. Not every input has equal weight. Adjusting one input at a time toward extreme values shows which ones move the result most.
How the math works
DCL = DOL × DFL. Revenue change % × DCL = EPS change %.
What the score tells you
Headline financial numbers — income, savings, debt — each tell part of the story. This calculation stitches several together into a single read you can track over time. The value is in the direction, not the absolute number.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
3x DOL × 2x DFL = 6.00x DCL.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
The calculator computes combined leverage (DCL) by multiplying operating leverage (DOL) by financial leverage (DFL). Operating leverage measures the sensitivity of earnings before interest and taxes to changes in revenue. Financial leverage measures the sensitivity of earnings per share to changes in earnings before interest and taxes. The combined effect is found by multiplying these two components together. Once DCL is calculated, a percentage change in revenue is multiplied by DCL to estimate the resulting percentage change in earnings per share. This approach assumes constant capital structure, fixed costs, and debt levels. It does not account for changes in tax rates, refinancing costs, or the timing and direction of earnings volatility.
References
Frequently Asked Questions
Safe DCL range?
If I can't reduce DOL?
How does this predict bankruptcy risk?
Seasonal business impact?
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