What are gross, operating and net profit margins?
Margins show how much of each rupee of sales a company keeps as profit at different stages. They reveal pricing power, cost control, and overall efficiency.
A profit margin is profit as a percentage of revenue — how many paise of each rupee of sales the company actually keeps. There are three key levels. Gross margin (after the direct cost of goods) shows pricing power. Operating margin (after running costs like salaries and marketing) shows operational efficiency. Net margin (after interest and tax) is the bottom-line profit.
Comparing the three tells a story. A high gross margin but low net margin suggests heavy overheads, interest, or tax eating the profit. Rising margins over time signal improving efficiency or pricing power; falling margins can warn of competition, cost pressure, or discounting. Each layer narrows down where the money is going.
Margins are best compared within an industry, because they vary enormously: software firms run very high margins, while retailers and commodity businesses run thin ones. A "good" margin is one that’s healthy and stable relative to peers — and ideally improving.
Formula
Net margin = Net profit ÷ Revenue × 100 (gross and operating margins use gross/operating profit instead)
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Common questions
Which margin matters most?
They tell different things: gross margin shows pricing power, operating margin shows efficiency, net margin is the final profit. Look at all three and their trend — a widening gap between them reveals where costs or interest are biting.
What is a good profit margin?
It depends entirely on the industry — software can exceed 30% net margin while retail may run low single digits. Compare within the sector and watch whether margins are rising or falling over time.