How to Calculate Profit Margin: Gross, Operating and Net Margin, Markup vs Margin, With Indian Business Examples
Learn gross, operating and net profit margin formulas with worked rupee examples, the difference between markup and margin, pricing with GST, benchmarks by business type and how to improve margins.
Profit margin tells you how much of each rupee of sales you actually keep. Many small businesses focus on turnover and discover too late that margins are thin. This guide explains the three margins, how markup differs, and how to price correctly in India, including GST.
Three margins
| Margin | Formula |
|---|---|
| Gross profit margin | (Revenue − Cost of goods sold) ÷ Revenue × 100. Shows the profit on products before overheads |
| Operating profit margin | (Revenue − COGS − operating expenses) ÷ Revenue × 100. Includes rent, salaries, marketing |
| Net profit margin | Net profit after interest, tax and all expenses ÷ Revenue × 100 |
Worked example: a small shop
A garment shop has annual sales of ₹40,00,000. It paid ₹26,00,000 for stock, ₹6,00,000 for rent and wages, ₹2,00,000 for other expenses, and ₹1,00,000 in interest and tax.
- Gross profit = 40,00,000 − 26,00,000 = ₹14,00,000, so gross margin = 35%.
- Operating profit = 14,00,000 − 6,00,000 − 2,00,000 = ₹6,00,000, so operating margin = 15%.
- Net profit = 6,00,000 − 1,00,000 = ₹5,00,000, so net margin = 12.5%.
Check yours with the profit margin calculator.
Markup vs margin
Markup is profit as a percentage of cost. Margin is profit as a percentage of selling price. They are not the same, and confusing them is a classic pricing mistake.
| Case | Result |
|---|---|
| Cost ₹100, sell at ₹150 | Markup 50%, margin 33.3% |
| Cost ₹100, sell at ₹200 | Markup 100%, margin 50% |
| Want 40% margin on cost ₹60 | Price = 60 ÷ (1 − 0.40) = ₹100 |
| Want 40% markup on cost ₹60 | Price = 60 × 1.40 = ₹84 |
A 50% margin requires a 100% markup. If you add 50% to cost and think you earn a 50% margin, you earn only 33%.
Pricing with GST
GST is collected on behalf of the government and is not your revenue. Calculate margins on the pre-GST price. If the shelf price is ₹1,180 including 18% GST, the base price is ₹1,000. Use the GST calculator to separate them. If you are registered, GST paid on purchases can be claimed as credit, so cost should exclude it. See input tax credit.
Typical ranges
Margins vary widely, and these are only broad illustrations. Retail groceries often have low net margins of 2% to 5%, apparel retail somewhat higher, restaurants 5% to 15% net after good control, and software and consulting services much higher. Compare yourself with similar businesses in your city rather than with global numbers.
How to improve margins
- Raise prices carefully: a 5% price rise can lift profit significantly if volume holds.
- Cut cost of goods: negotiate with suppliers, buy in bulk where cash allows, reduce wastage and returns.
- Change the mix: push higher-margin products and drop loss-making ones.
- Control overheads: review rent, energy, subscriptions and marketing spend.
- Reduce discounts and credit: late payments cost you money. See small business accounting.
Break-even thinking
Break-even sales = fixed costs ÷ contribution margin ratio. If fixed costs are ₹2,00,000 a month and each rupee of sales leaves 35 paise after variable costs, you need ₹5.71 lakh of monthly sales to break even. Knowing this prevents unrealistic targets. Read business registration for structure and Amazon seller guide for marketplace fees that cut margins.
Common mistakes
- Ignoring owner's salary, depreciation and loan interest.
- Pricing from competitors without knowing your costs.
- Confusing markup with margin.
- Including GST in revenue.
- Reviewing margin only once a year. Track monthly and by product.
Quick pricing worksheet
- Add up the total landed cost of one unit, including freight, packaging and payment fees.
- Decide your target net margin, for example 15%.
- Estimate overheads per unit by dividing monthly fixed costs by expected units.
- Price = (cost + overhead per unit) ÷ (1 − target margin), then add GST on top.
- Compare with the market, and if you cannot match it, work on cost rather than shaving margin to zero.
For online sales, include marketplace commission, shipping and returns, which can eat ten to thirty percent of the selling price.
Margin by product: a short case
A home bakery sells three items. Cakes sell for ₹900 with ₹520 of ingredients, packaging and delivery, a 42% gross margin. Cookies sell at ₹300 with ₹190 of costs, a 37% margin but quick to make. Custom hampers sell at ₹2,000 with ₹1,500 cost, only 25%, and need a full day of work. Looking only at turnover, hampers look attractive. Looking at margin per hour of effort, cakes win. Reviewing each line this way helps decide where to spend marketing money and which items to reprice or drop. Repeat the exercise whenever ingredient prices move by more than five percent.
Frequently asked questions
What is gross profit margin?
(Revenue − cost of goods sold) ÷ revenue, as a percentage.
What is the difference between markup and margin?
Markup is profit over cost, while margin is profit over selling price.
Should GST be included in revenue?
No, calculate margins on the price excluding GST.
What is a good profit margin?
It depends on the industry, so compare with similar businesses.
How do I get a 30% margin?
Price = cost ÷ (1 − 0.30).
How often should I review margins?
Monthly, and by product or service line.
Last reviewed 8 November 2026. Rates, limits and rules change, so confirm figures with the official source before you act.
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Information on AMTools is for general guidance and is not professional financial, tax, legal or medical advice. Rules, rates and limits change, so check the latest official source before acting.