If you could keep only one number to judge a business, it would be a return ratio. Price ratios like the P/E tell you how much you are paying; return ratios tell you how good the thing you are buying actually is. This guide explains ROCE and ROE, how to read them together, and the debt trap that fools beginners.
Why return ratios matter more than they look
Most investors start with valuation ratios — P/E, P/B — because they answer "is it cheap?" But cheapness is only half the question. The other half is "is it any good?", and that is what return ratios answer.
A business is fundamentally a machine for turning capital into profit. The return ratios measure how good that machine is: how many rupees of profit it squeezes out of each rupee put into it. A company earning 25% on its capital is a far better machine than one earning 8% — and over a decade of reinvesting, the difference is enormous.
Growth only creates value when the return on capital beats the cost of capital. A company growing fast at low returns is burning money, not building it.
Two ratios capture this, and reading them together is what reveals quality.
Return on equity (ROE): the return to owners
ROE measures the profit a company earns on the shareholders' money alone:
\[\text{ROE} = \frac{\text{Net Profit}}{\text{Shareholders' Equity}}\]
If a company has ₹1,000 crore of equity and earns ₹200 crore of net profit, its ROE is 20% — for every ₹100 of owners' capital, the business generated ₹20 of profit that year.
ROE is the number that matters most to you as a shareholder, because it is the return on your money. It is also the primary ratio for banks and lenders, whose entire business is deploying capital, so a bank earning 18% on equity deserves a higher valuation than one earning 9%.
But ROE has a blind spot, and it is a big one.
Return on capital employed (ROCE): the return of the whole business
ROCE measures the profit earned on all the long-term capital in the business — equity and debt:
\[\text{ROCE} = \frac{\text{Operating Profit (EBIT)}}{\text{Capital Employed}}\]
where capital employed is total assets minus current liabilities. Because ROCE uses operating profit and counts all the capital, it shows how well the business converts every rupee of funding into profit — regardless of how that funding is split between debt and equity.
That single difference is why ROCE is the more honest measure of business quality for most non-financial companies: it cannot be flattered by borrowing.
The debt trap: when ROE lies
Here is the trap that catches beginners. Because ROE only counts equity in the denominator, a company can inflate its ROE simply by using more debt and less equity.
Picture two companies that each earn ₹200 crore of operating profit on ₹1,000 crore of capital — an identical ROCE of 20%.
- Company A funds itself entirely with equity. Its ROE is a healthy ~15% after interest and tax.
- Company B funds half with debt. The same operating profit now sits on half the equity, so its ROE looks much higher — perhaps 22%.
Company B is not a better business. It is the same business wearing more risk. The extra ROE came entirely from leverage, and in a downturn that same leverage works brutally in reverse.
When ROE is much higher than ROCE, the gap is debt. The shareholder return is being manufactured by the balance sheet, not the business.
This is why you never read ROE alone. Read it next to ROCE:
- ROE ≈ ROCE → the returns are genuinely earned from operations. High quality.
- ROE ≫ ROCE → leverage is doing the work. Check the debt before you trust the number.
What counts as a good number
As a rough guide for an Indian company:
- Above ~15% for both ROCE and ROE — a good business, comfortably clearing its cost of capital.
- Above ~20%, sustained for years — excellent, and usually the fingerprint of a genuine competitive advantage (a strong brand, a cost edge, a network effect).
- Below ~10% — a weak machine; growth here may not create value at all.
But the single most important word is consistency. One great year proves nothing — it can come from a boom, an asset sale or an accounting quirk. A company that holds a 20% ROCE across a full decade, through good years and bad, is showing you a durable advantage. That ten-year trend is worth far more than any single figure, which is why it is the first thing to look at on a company's history.
How return ratios drive valuation
Return ratios are not just a quality check — they are the engine behind a stock's fair value. A company that reinvests its profits at a high ROCE compounds owner wealth far faster than one earning mediocre returns, so high and durable return ratios genuinely justify higher valuation multiples. Conversely, a business earning below its cost of capital destroys value with every rupee it retains, even while reporting an accounting profit.
That is why a proper valuation always starts with the return ratios: they decide whether the company's growth is creating value or quietly consuming it. Pair this with the P/E ratio — return ratios tell you if the business is good, the P/E tells you what you are paying for it, and only the two together answer whether a stock is worth buying.
Check it for any stock
You can calculate both ratios from an annual report, but the useful view is the decade-long trend, not one year. FairStocks pulls ten years of filed financials for any listed Indian company and charts return on equity over time, alongside a full fair-value estimate — so you can see at a glance whether a company's returns are high, stable, and genuinely earned rather than borrowed.
The P/E tells you the price. ROCE and ROE tell you whether the business behind it is worth owning at all — and that is the question that decides returns over a lifetime of holding.