Markup vs. Profit Margin: The Key Difference
The markup calculator clarifies one of the most commonly confused concepts in pricing: markup and profit margin are not the same number. Both measure profitability, but they use different bases. Confusing them can lead to significant pricing errors — either underpricing and losing money, or overpricing and losing sales.
Markup: Profit Over Cost
Markup = (Selling Price − Cost) ÷ Cost × 100. A $10 item sold for $15 has a markup of ($15−$10)/$10 = 50%. Markup is calculated relative to what you paid. It's most useful when you know cost and need to set a selling price. To find price from markup: Selling Price = Cost × (1 + Markup%).
Margin: Profit Over Revenue
Margin = (Selling Price − Cost) ÷ Selling Price × 100. That same $10 item sold for $15 has a margin of $5/$15 = 33.3%. Margin is always lower than markup for the same item. When someone says "we need a 30% margin," they mean margin, not markup. A 30% margin requires a 42.9% markup.
Converting Between Markup and Margin
Markup to Margin: Margin = Markup / (1 + Markup). For 50% markup: 0.50 / 1.50 = 33.3% margin. Margin to Markup: Markup = Margin / (1 − Margin). For 33.3% margin: 0.333 / 0.667 = 49.9% markup. These conversions are critical when pricing discussions involve different teams that use different conventions.
Industry Markup Norms
Markups vary dramatically by industry: grocery retail (10–25%), restaurant food (300–500%), clothing retail (100–300%), electronics (5–25%), construction (15–35%), professional services (50–300%). Understanding your industry's typical margins helps you benchmark pricing and negotiate with suppliers and customers.