Return on Equity Calculator
Measure how much net profit a company generates for each dollar of shareholders' equity.
Company figures
Live result
Calculation breakdown
| Step | Value | Meaning |
|---|---|---|
| Net profit | $34,500.00 | Numerator |
| Shareholders' equity | $456,000.00 | Denominator |
| Profit ÷ equity | 0.0756579 | Decimal return |
| Return on equity | 7.57% | Percentage return |
How to use the Return on Equity Calculator
What this calculator does
This calculator estimates return on equity, or ROE, by dividing a company's net profit by shareholders' equity and expressing the result as a percentage. ROE is a profitability ratio: it shows how much accounting profit was generated from the book capital attributable to shareholders. It is useful for screening companies, reviewing management efficiency, comparing operating performance over time, and checking whether a business is producing an adequate return on its equity base. It does not determine a company's intrinsic value, investment suitability, cash-generating ability, risk, or future share-price performance. The SEC's Investor.gov glossary gives a concise definition of return on equity.
When to use it
Use ROE when comparing a company with close peers in the same industry, checking whether profitability improved from one annual report to the next, assessing how efficiently retained capital has been used, or reviewing a lender's or investor's ratio analysis. Cross-industry comparisons can be misleading because normal leverage, asset intensity, accounting practices, and margins vary widely.
How to calculate
- The calculator opens with a complete demonstration: Net profit of $34,500 and Shareholders' equity of $456,000. The first result and an immediately available example XLSX are already prepared.
- Replace the demonstration values with figures from the same reporting period. Enter U.S.-style numbers such as 125000, 125,000, or $125,000.00. Decimal commas and scientific notation are rejected to prevent silent reinterpretation.
- Read Return on equity (ROE), Profit per $1 of equity, and Equity multiple. The calculation breakdown shows the exact numerator, denominator, decimal ratio, and percentage conversion.
- Select Download Excel to export the current validated inputs and results to a real XLSX workbook. Select Reset to clear the demonstration and calculated content. Reset may disable Download Excel until both required fields contain a complete valid state again.
Input guide
Net profit is required and accepts a finite currency amount in U.S. number format. A realistic example is $34,500. Positive values indicate profit; zero indicates break-even; negative values indicate a net loss and produce a negative ROE. Use profit after interest and taxes that belongs to the same period as the equity figure. A common mistake is entering revenue, operating income, EBITDA, or a percentage instead of net profit.
Shareholders' equity is required and must be greater than zero. A realistic example is $456,000. It normally means book assets minus liabilities attributable to shareholders. Raising equity while holding profit constant lowers ROE; reducing equity raises ROE, but a very small denominator can make the ratio unstable or reflect heavy leverage. Do not enter market capitalization, total assets, debt, or a negative equity balance. For detailed company figures, Investor.gov explains where financial statements appear in a company's Form 10-K.
Output guide
Return on equity (ROE) is the primary percentage. It is driven directly by both inputs and is an exact arithmetic identity for the figures supplied, though its business interpretation remains an estimate because accounting choices and period selection matter. A zero result means no net profit; a negative result means a loss against positive equity. A higher result can indicate stronger profitability, but can also be amplified by a smaller, debt-supported equity base.
Profit per $1 of equity expresses the same ratio as dollars of profit for each equity dollar. It is not a separate return measure. Equity multiple is equity divided by net profit when profit is positive; it shows how many dollars of equity correspond to one annual dollar of profit. When profit is zero or negative, this multiple is shown as unavailable because the reciprocal is not decision-useful. The summary pills repeat the current ROE, Net profit, and Equity. The breakdown table's Step, Value, and Meaning columns show the formula path and identify the numerator, denominator, decimal return, and final percentage.
Worked example
With net profit of $34,500 and shareholders' equity of $456,000, divide 34,500 by 456,000 to obtain 0.0756579. Multiply by 100 to obtain 7.56579%, displayed as 7.57%. The same ratio is approximately $0.08 of profit per $1.00 of equity. The reciprocal, 456,000 ÷ 34,500, is approximately 13.22×. These values match the first-open calculator and its workbook checkpoints.
Interpreting ROE responsibly
ROE should be compared with a company's own history and with genuinely similar businesses. Capital-light firms can naturally report higher ROE than banks, manufacturers, or utilities. Buybacks, write-downs, accumulated losses, acquisitions, and large changes in equity can distort a single-period ratio. Professor Aswath Damodaran's discussion of profitability and return on equity explains why the measure is best read alongside reinvestment, growth, and risk.
Formula choices and period consistency
The direct formula uses net profit divided by equity. Some analysts use beginning equity; others use average equity, especially when new shares, dividends, acquisitions, or buybacks materially changed the denominator during the year. Damodaran notes the conventional use of current net income with prior-period book equity in his explanation of the fundamental determinants of growth. Whichever convention you choose, apply it consistently across companies and periods and document the source of each figure.