Markup vs Profit Margin: Formula, Conversion and Pricing

Markup is your profit as a percentage of cost; profit margin is the same profit as a percentage of selling price. Buy at ₹80, sell at ₹100, and you have a 25% markup but only a 20% margin. The two are never equal, and pricing with one while planning with the other is one of the most common ways small businesses in India lose profit without noticing.

The two formulas

Take the same transaction and look at it from two ends.

• Markup % = (Selling price − Cost) ÷ Cost × 100
• Margin % = (Selling price − Cost) ÷ Selling price × 100

Because the selling price is always larger than cost when you make a profit, the margin percentage is always smaller than the markup percentage.

Retailers, wholesalers and distributors in India usually talk in markup ("I keep 20% on cost"). Banks, investors, marketplaces and accountants talk in margin ("gross margin 18%"). Your financial statements report margin. That is where the confusion starts.

Converting between them

• Margin = Markup ÷ (1 + Markup)
• Markup = Margin ÷ (1 − Margin)

Two pairs are worth remembering: a 25% markup is a 20% margin, and doubling your cost (100% markup) gives a 50% margin.

Worked example: the 30% mistake

The figures are illustrative. A Surat trader imports a batch of 500 kitchen appliances. Landed cost, including freight and customs duty but excluding GST (the GST is claimed as input tax credit), is ₹1,200 per unit. The business plan, shared with the bank for a cash credit limit, assumes a 30% gross margin.

The wrong way. The trader adds 30% to cost: ₹1,200 × 1.30 = ₹1,560.

Actual margin = (₹1,560 − ₹1,200) ÷ ₹1,560 = ₹360 ÷ ₹1,560 = 23.08%.

The right way. For a 30% margin, price = cost ÷ (1 − 0.30):

₹1,200 ÷ 0.70 = ₹1,714.29

Check: (₹1,714.29 − ₹1,200) ÷ ₹1,714.29 = ₹514.29 ÷ ₹1,714.29 = 30.0%.

What the mistake costs. The gap is ₹1,714.29 − ₹1,560 = ₹154.29 per unit. On 500 units that is ₹77,142.86 of gross profit that the plan assumed but the price never captured. If the trader's monthly fixed costs were budgeted on the 30% assumption, the shortfall shows up as a loss months later, by which time the stock is sold.

Discounts eat margin faster than you think

Now suppose the trader prices correctly at ₹1,714.29 and then runs a 10% festive discount, selling at ₹1,542.86.

• Gross profit = ₹1,542.86 − ₹1,200 = ₹342.86
• Margin = ₹342.86 ÷ ₹1,542.86 = 22.22%

A 10% price cut has removed one-third of the profit per unit (₹514.29 down to ₹342.86). To earn the same total gross profit as before, the trader must sell 514.29 ÷ 342.86 = 1.5 times as many units, that is 50% more volume. Our guide on break-even sales calculation shows the same effect on fixed costs.

A handy rule: the volume increase needed to offset a discount is discount ÷ (margin − discount). Here, 10% ÷ (30% − 10%) = 50%.

Do not count GST as margin

For a GST-registered business, GST collected on a sale is a liability, not income. Calculate both markup and margin on prices excluding GST.

Suppose a shop sells a product at a GST-inclusive price of ₹2,000, the product attracts 18% GST, and the shop's cost excluding GST is ₹1,200.

• Price excluding GST = ₹2,000 ÷ 1.18 = ₹1,694.92
• GST payable = ₹305.08
• True margin = (₹1,694.92 − ₹1,200) ÷ ₹1,694.92 = 29.20%

If the owner had calculated margin on ₹2,000, the answer would have been 40%, overstating profit by more than ten percentage points. The GST calculator splits a GST-inclusive price into base value and tax in one step.

GST rates themselves change. As of October 2026, after the rate rationalisation that took effect on 22 September 2025, most goods fall in the 5% or 18% slabs, with a higher rate for a short list of luxury and sin goods. Apparel and footwear priced up to ₹2,500 per piece attract 5%, and above that 18%. Always check the rate for your HSN code before setting a price.

If you are not registered under GST (for instance, a small shop below the registration threshold), you cannot claim input credit, so the GST you pay on purchases is part of your cost and your markup should be calculated on the GST-inclusive purchase price.

Gross margin vs net margin

Markup and margin as discussed above are usually gross: they cover only the cost of the goods. Your business also has rent, salaries, marketplace fees, delivery and interest. Net margin is what is left after all of them.

A product with a 30% gross margin can have a net margin of 5% or less once overheads are paid. For online sellers, marketplace commissions and returns can absorb most of the gross margin; see e-commerce profit calculation.

How to set prices without the mix-up

1. Start from a target margin, not a markup, because your rent and salaries are paid out of margin on sales.
2. Use landed cost: purchase price plus inward freight, loading, customs duty and any non-creditable tax.
3. Price = Landed cost ÷ (1 − target gross margin), then round to a sensible price point.
4. Stress-test discounts: work out the margin after your usual festival or bulk discount, not just at list price.
5. Add GST on top for the invoice, and show your staff both the base price and the GST-inclusive price so nobody discounts from the wrong number.
6. Review quarterly, because input prices and freight move faster than most price lists.

Key takeaways

• Markup is profit over cost; margin is profit over selling price. A 25% markup is a 20% margin.
• To hit a target margin, price = cost ÷ (1 − margin), not cost × (1 + margin).
• In the illustrative example, confusing a 30% markup with a 30% margin cost ₹77,142.86 of gross profit on 500 units.
• A 10% discount on a 30% margin product needs 50% more volume to keep gross profit flat.
• Calculate margins on GST-exclusive prices if you claim input tax credit.
• Track gross, contribution and net margin separately; each answers a different question.