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Retail Tool — Margin & Markup Calculator

Retail Margin Calculator — Know Your Profit on Every Sale

Calculate gross margin percentage and markup instantly from cost and selling price. Understand exactly how much you earn on every product you sell.

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Formula & How It Works

Margin and markup are two different ways to express the same profit — they are often confused but measure different things.

Gross Margin (on Selling Price)

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

Markup (on Cost Price)

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

Converting Between Them

Margin = Markup ÷ (100 + Markup) × 100 Markup = Margin ÷ (100 − Margin) × 100

Always use margin (on selling price) for comparing profitability, and use markup (on cost) when setting selling prices from cost.

Worked Example

Scenario: You buy a shirt for ₹400 and sell it for ₹650.

Profit per unit = ₹650 − ₹400 = ₹250

Gross Margin = ₹250 ÷ ₹650 × 100 = 38.46%

Markup = ₹250 ÷ ₹400 × 100 = 62.5%

If you sell 200 shirts, Total Profit = ₹250 × 200 = ₹50,000

A 38% margin means you keep ₹38 out of every ₹100 of sales before overheads like rent and salaries.

When to Use This Calculator

  • Set minimum selling prices that ensure profitability
  • Compare margin across product categories to find your best performers
  • Decide how much discount to offer without going below break-even
  • Evaluate vendor quotes — calculate if a new supplier improves your margin
  • Train sales staff on why pricing matters at every transaction
  • Plan category mix strategy based on which segments contribute most to profit

Frequently Asked Questions

Margin is calculated on selling price: Margin = (Selling Price - Cost) / Selling Price × 100. Markup is calculated on cost: Markup = (Selling Price - Cost) / Cost × 100. A 25% markup results in only a 20% margin.
It varies by category. FMCG typically has 10–20% margins, garments 30–50%, electronics 5–15%, and specialty goods 40–60%. Compare your margin against your category average.
Margin (%) = Markup (%) / (100 + Markup (%)) × 100. For example, a 25% markup gives a 20% margin.
For accurate margin calculation, use tax-exclusive prices (without GST). GST is collected on behalf of the government and should not be included in your profit calculation.
Knowing your margin helps you set floor prices, offer discounts without loss, and compare profitability across products and categories.
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