DuPont Analysis Calculator
Decompose Return on Equity (ROE) into its three drivers using the DuPont formula: net profit margin, asset turnover, and financial leverage. Identify what is really driving a company's profitability.
How to use this tool
- Enter net income, total revenue (sales), total assets and shareholders' equity in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your return on equity (roe) and the full breakdown beneath it.
⚠ This tool provides general estimates for education only and is not financial, tax or legal advice. Figures may not reflect your situation — verify with a qualified professional.
Formula
The 3-factor DuPont formula:
ROE = Net Profit Margin × Asset Turnover × Equity Multiplier
Where:
Net Profit Margin = Net Income / Revenue
Asset Turnover = Revenue / Total Assets
Equity Multiplier = Total Assets / Shareholders' Equity
How it works
DuPont analysis breaks return on equity into three multiplicative components: profitability (how much profit each dollar of sales generates), efficiency (how effectively assets generate sales), and leverage (how much debt amplifies equity returns). This decomposition helps identify whether ROE is driven by genuine operational performance or financial leverage. A high ROE driven mainly by a large equity multiplier signals elevated financial risk.
Worked example
Analyzing a Company with $1M Revenue and $100K Net Income
- Net Profit Margin = $100,000 / $1,000,000 = 10%.
- Asset Turnover = $1,000,000 / $500,000 = 2.00x.
- Equity Multiplier = $500,000 / $250,000 = 2.00x.
- ROE = 10% × 2.00 × 2.00 = 40%.
ROE is 40.00%, driven equally by a 10% profit margin, 2x asset turnover, and 2x financial leverage.
Common mistakes to avoid
- Using ending equity instead of average equity when calculating ROE, which distorts the equity multiplier component and makes leverage appear different from what the formula intends.
- Treating net profit margin as operating margin — the DuPont formula uses net income / revenue, so interest expense and taxes are already reflected; mixing in EBIT overstates the margin component.
- Conflating a high equity multiplier (leverage) with strong business performance: high leverage inflates ROE even when operating performance is weak, which the decomposition is specifically designed to reveal.
Key terms
- What is DuPont analysis?
- A framework that decomposes return on equity into profit margin, asset turnover, and financial leverage to reveal the underlying drivers of shareholder returns.
- What is the equity multiplier?
- Total assets divided by shareholders' equity; it measures financial leverage. A higher multiplier means more debt relative to equity.
- What is asset turnover?
- Revenue divided by total assets; it measures how efficiently a company uses its assets to generate sales.
- Can DuPont ROE differ from simple ROE?
- No. The three-factor DuPont formula always yields the same ROE as Net Income / Shareholders' Equity because the revenue and asset terms cancel algebraically.
Frequently asked questions
- What does a high equity multiplier signal in a DuPont analysis?
- A high equity multiplier means the company uses significant debt financing. It boosts ROE arithmetically but also increases financial risk; the other two factors (margin and turnover) show whether underlying operations justify the leverage.
- How does the 5-factor DuPont differ from the 3-factor version?
- The 5-factor model splits net profit margin into tax burden and interest burden ratios, giving a clearer picture of how taxes and interest expense separately affect returns.
- Can DuPont analysis be used for non-equity returns like ROA?
- Yes. ROA = Net Profit Margin x Asset Turnover, which is the first two factors of the 3-factor DuPont, isolating operational efficiency before the effects of leverage.