Profit Margin vs Markup: What Is the Difference?

Confusing profit margin and markup is one of the most common—and financially dangerous—mistakes that new business owners and independent contractors make. While both terms measure the profit on a transaction, they do so from opposite reference points.

The Fundamental Distinction

• Profit Margin: Compares profit to the selling price (revenue). It tells you what percentage of the customer's payment is profit.
• Markup: Compares profit to the cost of the item. It tells you by what percentage you marked up the wholesale cost to set the retail price.

Side-by-Side Comparison on the Same Item

Let's examine how both metrics behave for the exact same transaction: An item costs $50.00 to make and sells for $100.00.

• Gross Profit: $100.00 - $50.00 = $50.00.
• Markup Calculation:
  (Profit ÷ Cost) × 100 = ($50 ÷ $50) × 100 = 100% Markup.
• Margin Calculation:
  (Profit ÷ Revenue) × 100 = ($50 ÷ $100) × 100 = 50% Profit Margin.

Notice that doubling the price is a 100% markup, but only a 50% profit margin!

The Dangerous Pricing Trap

Imagine a business owner aims for a 40% profit margin. If they mistakenly take a $100 product and apply a 40% markup, they price the item at $140 ($100 + $40). But what is their actual margin?

Profit ($40) ÷ Selling Price ($140) = 28.6% margin! By confusing markup with margin, they fell more than 11% short of their profitability target. To achieve a true 40% margin, the item should have been priced at $166.67 ($100 ÷ (1 - 0.40)).

Quick Reference Conversion Table

Markup on Cost	Resulting Profit Margin
15%	13.0%
25%	20.0%
33.3%	25.0%
50%	33.3%
66.7%	40.0%
100%	50.0%
200%	66.7%

Calculate Both Accurately

Easily calculate both figures side-by-side using our Profit Margin Calculator and Markup Calculator.