Margin vs Markup: The Difference That Costs Businesses Money

The Core Difference

Margin and markup both measure profit on a sale, but they calculate it against different base numbers. This distinction matters — confusing them leads directly to pricing errors that either eat into profit or make your prices uncompetitive.

• Margin = Profit ÷ Revenue (selling price)
• Markup = Profit ÷ Cost

The same transaction always produces a higher markup percentage than margin percentage. A product that costs $60 and sells for $100 has a 40% margin but a 66.7% markup.

Formulas

Worked Example

Suppose you buy a product for $50 and sell it for $80.

Same transaction, same $30 profit — but the percentages differ because the denominator changes.

Conversion Table

Use this table to quickly convert between common margin and markup values:

Converting Between Margin and Markup

Example: If your markup is 50% (0.50), margin = 0.50 ÷ 1.50 = 33.3%. If your margin is 40% (0.40), markup = 0.40 ÷ 0.60 = 66.7%.

When to Use Each

Marginis the standard in financial reporting, P&L statements, and investor discussions. When someone asks “what is your margin?”, they mean profit as a percentage of revenue.

Markupis common in retail and wholesale pricing. It answers the practical question: “How much do I add to my cost to get the selling price?” Keystone pricing — a 100% markup, doubling the wholesale cost — is a well-known retail benchmark.

The Costly Mistake

A business targeting a 50% margin sets a 50% markup instead. On a $100 cost, they price at $150 (50% markup), but the actual margin is only 33.3% ($50 ÷ $150). To achieve a true 50% margin, they needed a 100% markup — a $200 selling price. The error costs them $50 per unit in expected profit.

Calculate your numbers with the Margin Calculator or Markup Calculator.