Return on assets

In simple terms

Return on assets (ROA) asks how much profit a company earns on everything it owns, however those assets were paid for.

An ROA of 8% means the company earned ₹8 of profit for every ₹100 of assets. Because it uses total assets, ROA includes the assets funded by debt as well as those funded by equity.

Asset turnover

ROA can be split into two parts:

Asset turnover shows how much revenue each rupee of assets produces. A supermarket with shelves of fast-selling goods may turn over its assets two or three times a year; a power plant or a cement factory may produce less than half a rupee of revenue for each rupee of assets.

From ROA to ROE

The ROE lesson introduced the DuPont breakdown. ROA is its first two parts:

So a company with modest ROA can have a high ROE if it is funded mainly by debt. Comparing ROA with ROE shows how much of a company's return on equity comes from borrowing.

Why ROA matters most for banks

A bank's assets are mostly loans and investments, and they are funded mostly by deposits and borrowing. Its equity is a small slice of its balance sheet, often under a tenth. So a bank's ROE is always much larger than its ROA, simply because of how banks are built.

For a bank, ROA is the cleaner measure of how profitable its lending and other business is. Small differences matter a great deal: a bank earning 1.5% on its assets is far more profitable than one earning 0.5%, and with the same leverage its ROE is three times as high. The analysing banks and lenders lesson builds on this.

The same logic applies to other balance-sheet-heavy businesses, such as non-bank lenders and leasing companies.

Comparing ROA

• Within an industry: ROA is a fair comparison between companies with similar business models, and a persistently higher ROA suggests better margins, better use of assets, or both.
• Across industries: differences mostly reflect the nature of the business. A software company will usually have a higher ROA than a steel company; that does not make it better run.
• Over time: a falling ROA can show assets growing faster than profit, for example after a large investment that has not yet paid off, or an acquisition.

Why it matters

ROA shows whether the whole asset base is being used productively, which ROE can hide behind leverage. It reveals the economics of different business models and is the starting point for analysing lenders. Together, ROA, ROE and ROCE give a rounded picture of how well a company uses the capital entrusted to it.

Limitations

ROA uses book values, which can be far from what assets are worth today. It mixes profit after interest (net profit) with assets funded partly by debt, so some analysts prefer to add back after-tax interest; check which definition is used. Intangible assets such as brands and know-how often do not appear on the balance sheet at all, which can make ROA look very high for asset-light businesses.

Common mistakes

• Comparing ROA across very different industries.
• Judging a bank by ROE alone, without checking ROA and leverage.
• Ignoring asset turnover, which often explains differences between companies in the same industry.
• Using year-end assets when assets changed a lot during the year.

Try it yourself

1. Choose a listed retailer or distributor and a listed company in a heavy industry.
2. From their annual reports, calculate each one's net margin, asset turnover and ROA.
3. Calculate financial leverage and ROE, and check that ROA × leverage gives ROE.
4. For a listed bank, find its ROA and ROE in its annual report or results presentation and compare the gap with the other two companies.