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About This Profit Margin & Markup Calculator

This free calculator handles both directions of the pricing problem: enter a cost price and selling price to see your margin and markup, or enter a cost price and target margin (or markup) to get the selling price you should charge. Crucially for Indian sellers, it also handles GST — telling you your real margin whether your price is GST-inclusive (MRP-style retail) or GST-exclusive (B2B invoicing), and warning when GST silently dilutes your margin.

India runs on small business — 6+ crore MSMEs, kirana stores, boutique sellers, Meesho and Amazon resellers, cloud kitchens — and a large share of them price by copying competitors or adding a round number to cost. That works until it doesn't: an online seller paying 18% GST out of an MRP, a marketplace commission, and shipping can believe they earn 30% while actually clearing 8%. The margin vs markup confusion alone (a 25% markup is only a 20% margin) has sunk countless pricing spreadsheets. This calculator makes the real number visible before you print the price tag.

Why You Need This Calculator

Underpricing is the silent killer of small businesses — unlike a bad month, it compounds invisibly on every sale. The three mistakes this tool catches: quoting markup when a buyer asks for margin (overstating profitability to yourself), computing margin on a GST-inclusive price (inflating it by the tax you must remit), and setting a "target margin" price that ignores GST treatment entirely. To know what margin your industry actually sustains — groceries run 2–5% net while boutique apparel can exceed 50% gross — see our guide to healthy profit margins by industry.

How to Use This Calculator

  1. Choose your mode: Cost-driven (you know cost and price, want the margin) or price-driven (you know cost and target margin/markup, want the price).
  2. Cost Price (₹): Your full landed cost — purchase price plus freight, packaging, and marketplace fees, not just the supplier invoice. Understating cost is the most common error.
  3. Selling Price (₹) or Target Margin / Target Markup (%): Enter whichever you know; the calculator solves for the rest.
  4. GST Rate & GST Treatment: Select your slab (5/12/18/28%) and whether your selling price includes GST (retail MRP) or excludes it (B2B). This is what separates your invoice price from your actual revenue.

Results show profit per unit, margin, markup, and the GST-adjusted figures side by side, with a dilution warning when the inclusive price eats your target. Read margin (profit ÷ selling price) when judging profitability, and markup (profit ÷ cost) when setting prices — they answer different questions.

Profit Margin vs Markup — Formulas and Differences

Profit margin and markup both measure how much profit a business makes on a product, but they express it as a percentage of different bases. Confusing the two is a common pricing mistake that can lead to underpricing products or misreporting profitability. For GST-registered Indian businesses, an additional consideration is whether selling price includes or excludes GST — which directly affects the margin available.

Profit Margin and Markup Formulas

Profit Margin (%) = (Selling Price − Cost Price) ÷ Selling Price × 100

Markup (%) = (Selling Price − Cost Price) ÷ Cost Price × 100

Margin is always lower than markup for the same profit amount. A 50% markup gives a 33.3% margin. A 100% markup gives a 50% margin. Retailers typically quote markup while accountants and investors focus on margin.

Worked Example with GST

A clothing retailer sources a kurta for ₹750 (cost price) and sells it at ₹1,200 MRP (inclusive of 12% GST).

If the retailer is not GST-registered and cannot claim Input Tax Credit, the ₹128.57 GST paid on the ₹1,200 price becomes a cost — reducing effective margin to about 17.9%. This calculator accounts for GST impact across all applicable rates so you can price products accurately.

Real-World Pricing Examples

Pooja, Jaipur — pricing handmade jewellery for online sale

Pooja's landed cost per piece is ₹420 (materials ₹280 + packaging ₹40 + platform fee ₹100). Targeting a 35% margin with a GST-inclusive listing at 3%, the calculator solves the selling price at about ₹665. Her earlier price of ₹550 — "cost plus 30%" markup — was actually delivering barely a 21% margin before the platform fee she'd forgotten to include.

Manoj, Ludhiana — B2B auto parts quote

Manoj supplies parts costing ₹1,850 each and quotes B2B prices exclusive of 18% GST. At his standard ₹2,300 quote, the calculator shows a margin of 19.6% and markup of 24.3%. When a large buyer demands "10% off", he can see instantly that the discounted ₹2,070 price cuts his margin to 10.6% — half his profit — and negotiates volume terms instead. Takeaway: knowing your margin at each price point turns discount pressure into a calculation, not a gamble.

Accuracy & Common Questions

Is this profit margin calculator accurate?

Yes — margin, markup, and GST extraction are exact formulas computed with high-precision decimal arithmetic. Accuracy in practice depends on entering your true landed cost, including fees and shipping.

Should I price using margin or markup?

Set prices with markup (it starts from cost, which you know) but judge the business with margin (it reflects what you keep from each rupee of revenue). For the same profit, markup is always the bigger number — never compare one seller's markup to another's margin.

When should I use this vs the GST calculator?

Use this when setting prices and analysing profitability. If you only need the tax split for an invoice — CGST/SGST/IGST on a known amount — the GST calculator is quicker.