Profit Margin Calculator

Profit Margin Guide

Margin vs Markup

Margin and markup are often confused. Gross margin = (Revenue − COGS) / Revenue × 100. Markup = (Revenue − COGS) / COGS × 100. They use different denominators. A product costing £60 selling for £100: margin = 40%, markup = 66.7%. A 50% markup does not give a 50% margin — it gives a 33.3% margin. This distinction matters for pricing: to achieve a 50% margin, use a 100% markup (double the cost). To achieve a 40% margin, divide cost by 0.6.

Industry Gross Margin Benchmarks

Gross margins vary enormously by industry. Software: 70–90% (low direct costs). Financial services: 50–80%. Retail (online): 30–50%. Grocery / supermarket: 20–30%. Manufacturing: 20–40%. Restaurant: 60–70% (food cost 30–40%, the rest is labour and overhead). Construction: 15–25%. Car manufacturing: 10–20%. These are gross margins before operating expenses. Net margins are much lower once salaries, rent, and overheads are deducted.

Calculating Your Target Price

To achieve a target gross margin from a known cost: Selling price = Cost / (1 − target margin). For a 40% margin with £60 cost: £60 / (1 − 0.40) = £60 / 0.60 = £100. For a 50% margin: £60 / 0.50 = £120. This formula is essential for pricing — working backwards from a target margin is more reliable than adding a fixed percentage markup and hoping the margin works out.

Improving Profit Margins

Three levers: increase price (most powerful — a 1% price increase typically improves operating profit by 7–11%), reduce cost of goods (supplier negotiation, economies of scale, process efficiency), or reduce operating expenses (operational efficiency, fixed cost leverage). For small businesses, price increases are usually the fastest route to better margins — even 5% increases are rarely noticed by customers if delivered with a value justification, but can transform profitability.