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Investing

DuPont breakdown

Splits the ratio into profitability, efficiency and leverage so you can see which one is doing the work.

The Formula

ROE = margin x asset turnover x equity multiplier

Splits the ratio into profitability, efficiency and leverage so you can see which one is doing the work.

SymbolMeaning
marginProfit margin
turnoverAsset turnover
multiplierEquity multiplier

What Each Symbol Means

marginratio

Profit margin

Net income divided by revenue.

turnoverratio

Asset turnover

Revenue divided by total assets.

multiplierratio

Equity multiplier

Total assets divided by shareholders equity.

See It Worked With Real Numbers

A formula on its own does not tell you which number goes where. The how to calculate return on equity page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.

Where This Formula Appears

This equation is the working core of How To Calculate Return On Equity, filed under Finance. Every number the guide produces comes from substituting into this one line.