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Return on Equity (ROE): Formula and DuPont Breakdown
Return on equity (ROE) measures how much net income a company generates for every dollar of shareholders’ equity. The formula is net income divided by average shareholders’ equity, expressed as a percentage. A company earning $12 million on $100 million of equity has a 12% ROE, meaning it produced 12 cents of profit per equity dollar over the year.
ROE answers one question owners care about: how hard is my invested capital working? It sits alongside return on assets (ROA) and profit margin as a core profitability ratio, but it is the only one measured against the equity stake specifically. The DuPont breakdown, covered below, splits ROE into three drivers so you can see whether a high number comes from real operating strength or from debt.
The ROE Formula
ROE equals net income divided by average shareholders’ equity, shown as a percentage. Net income comes from the bottom of the income statement (after tax and interest). Shareholders’ equity comes from the balance sheet: total assets minus total liabilities. Using the average of beginning and ending equity smooths out large mid-year changes from buybacks, dividends, or new share issuance.
ROE = Net Income / Average Shareholders' Equity
Average Equity = (Beginning Equity + Ending Equity) / 2
Worked example: a company reports $8 million in net income. Equity started the year at $45 million and ended at $55 million, so average equity is $50 million. ROE is $8M / $50M = 16%. That figure means each dollar of equity generated 16 cents of profit during the year.
Two inputs need care. Net income can be distorted by one-time items (asset sales, litigation charges, tax adjustments), so a single year may not reflect normal earning power. Equity can be small or even negative after heavy buybacks or accumulated losses, which can push ROE to an extreme or make it meaningless. In those cases the ratio should be read with the balance sheet in hand. See how to read a balance sheet for where equity sits and what drives it.
The DuPont Breakdown (3-Step)
The 3-step DuPont model splits ROE into net profit margin, asset turnover, and financial leverage. Devised at DuPont Corporation in the 1920s, it shows why ROE is high or low: strong margins, efficient asset use, or heavy borrowing. The three factors multiply back to the same ROE, but each isolates a different lever management can pull.
ROE = Net Profit Margin x Asset Turnover x Equity Multiplier
= (Net Income / Sales) x (Sales / Assets) x (Assets / Equity)
Sales and assets cancel algebraically, leaving Net Income / Equity, which is ROE. The value is in the decomposition, not the math. The table below defines each component and what a high or low reading tends to signal.
| Component | Formula | What it measures | High reading suggests |
|---|---|---|---|
| Net profit margin | Net Income / Sales | Operating and pricing efficiency: profit kept per sales dollar | Strong pricing power or cost control |
| Asset turnover | Sales / Average Assets | How efficiently assets generate revenue | Lean asset base or high sales velocity |
| Equity multiplier (leverage) | Average Assets / Average Equity | How much of the asset base is funded by debt vs equity | Heavier reliance on borrowed money |
Worked decomposition: a retailer has a 4% net profit margin, asset turnover of 2.5, and an equity multiplier of 1.6. ROE = 0.04 x 2.5 x 1.6 = 16%. The same 16% could belong to a very different business (a software firm with a 25% margin, 0.4 turnover, and 1.6 multiplier also lands near 16%). DuPont tells them apart. The first company earns its return on volume and thin margins; the second on fat margins and slow asset turns.
The leverage term deserves attention. An equity multiplier of 3.0 means assets are three times equity, so two-thirds of the asset base is funded by liabilities. Debt can lift ROE, but it also raises risk: the same leverage that magnifies returns in good years magnifies losses in bad ones. A rising ROE driven only by a climbing equity multiplier, with flat margins and turnover, is often a warning rather than good news. Pairing DuPont with the income statement helps here; see how to read an income statement for margin analysis.
The 5-Step DuPont Variant
The 5-step model splits net profit margin further into a tax burden, an interest burden, and an operating (EBIT) margin. It reads as ROE = Tax Burden x Interest Burden x EBIT Margin x Asset Turnover x Equity Multiplier. Analysts use it to separate operating performance from financing and tax effects, which matters when comparing companies with different debt loads or effective tax rates. For most owners and general analysis, the 3-step version is enough.
ROE vs ROA
ROE divides net income by equity; ROA (return on assets) divides net income by total assets. The gap between them comes entirely from leverage. A company with no debt has an ROA close to its ROE. A company that funds assets with borrowing shows an ROE well above its ROA, because equity is a smaller slice of the asset base.
The link is exact: ROE = ROA x Equity Multiplier. If ROA is 8% and the equity multiplier is 2.0, ROE is 16%. This is why ROE alone can mislead. Two firms can each earn $1 million of profit, but a firm with $2 million of equity and $8 million of debt posts a 50% ROE, while a firm with $10 million of equity and no debt posts 10%, despite identical operating results.
| Metric | Formula | Captures leverage? | Best for |
|---|---|---|---|
| ROA | Net Income / Average Total Assets | No | Judging operating efficiency independent of financing |
| ROE | Net Income / Average Shareholders’ Equity | Yes | Judging return to owners, including debt strategy |
Read the two together. When ROE far exceeds ROA, the return is being amplified by debt, and you should check whether the company can service that debt. When ROE and ROA are close, the return is coming from operations rather than the balance sheet structure. Analysts often flag a widening ROE-to-ROA gap as a sign that leverage, not operating strength, is doing the work.
What Is a Good ROE?
A commonly cited benchmark is 15% to 20%, with the long-run market average often quoted near 10% to 12%. Readings consistently above 20% can signal a durable competitive advantage, while sustained readings below 10% may point to weak profitability or an overcapitalized balance sheet. These are rules of thumb, not thresholds, and they vary widely by industry.
Compare a company against its own sector, not against the whole market. Asset-light businesses (software, consumer brands) tend to post higher ROE because a small asset base sits in the denominator of asset turnover and the equity base is modest. Capital-intensive and regulated businesses (utilities, some manufacturers) tend to post lower ROE, and banks are often judged healthy near 10% or higher because of how their balance sheets are structured. As of mid-2026, sector averages ranged widely, with some drug manufacturing and materials segments reporting averages above 30%.
Three cautions when reading ROE:
- Check the trend, not one year. A single year can be skewed by one-time gains or charges. Three to five years shows earning power.
- Decompose before you judge. Use DuPont to see whether ROE is rising on margin and turnover (healthy) or only on leverage (riskier).
- Watch for a thin or negative equity base. Heavy buybacks or accumulated deficits can shrink equity and inflate ROE without any real improvement in the business. Track retained earnings and equity movements to catch this.
Frequently Asked Questions
What is the formula for return on equity?
ROE equals net income divided by average shareholders’ equity, expressed as a percentage. Net income is the bottom line of the income statement; shareholders’ equity is total assets minus total liabilities from the balance sheet. Using average equity (beginning plus ending, divided by two) smooths out large mid-year changes from buybacks, dividends, or share issuance.
What is a good return on equity?
A common benchmark is 15% to 20%, with the broad market long-run average often cited near 10% to 12%. Readings above 20% can indicate a competitive advantage, and below 10% may signal weak profitability. These ranges vary by industry, so compare a company against its own sector rather than the overall market, and look at multi-year trends.
What is the difference between ROE and ROA?
ROA divides net income by total assets and ignores how those assets are financed. ROE divides net income by shareholders’ equity and reflects the effect of debt. The relationship is ROE = ROA x equity multiplier. When ROE sits far above ROA, leverage is amplifying returns, which raises both potential reward and risk.
What does the DuPont analysis show?
DuPont analysis breaks ROE into net profit margin, asset turnover, and financial leverage (the equity multiplier). It shows whether a given ROE comes from strong margins, efficient asset use, or heavy borrowing. Two companies with the same ROE can have very different underlying drivers, and DuPont makes that difference visible so you can judge quality and risk.
Can ROE be too high?
Yes, in the sense that a very high ROE can be a red flag rather than a strength. It may reflect heavy debt (a large equity multiplier) that magnifies risk, or a shrunken equity base from buybacks or accumulated losses. Decompose the number with DuPont and compare ROE to ROA to see whether operations or leverage are driving it.
Why use average equity instead of ending equity?
Average equity (beginning plus ending, divided by two) matches the profit earned over the whole year against the capital in place over that year. Ending equity can be distorted by a late-year buyback, dividend, or stock issuance, which would understate or overstate the true return. Averaging reduces that timing distortion and is the more standard approach.
Reviewed by The Ledgerism Editorial Team. Last reviewed: July 2026.