The DuPont Analysis (or DuPont Identity) is a method of breaking down Return on Equity (ROE) into three key components to better understand what drives a company’s profitability:
ROE = Net Profit Margin × Total Asset Turnover × Equity Multiplier
Where:
-
Net Profit Margin = Net Income / Sales
(Measures profitability — how much profit is generated from sales) -
Total Asset Turnover = Sales / Total Assets
(Measures efficiency — how well assets are used to generate sales) -
Equity Multiplier = Total Assets / Equity
(Measures financial leverage — how much of assets are financed by equity)
This decomposition helps analysts identify whether ROE is being driven by profitability, efficiency, or leverage.