Margin vs. Markup: What's the Difference and How to Calculate Them
Margin and markup are often confused because both express the difference between cost and selling price as a percentage. The key difference is the base: margin is measured against selling price, while markup is measured against cost. That means the same sale will usually have different margin and markup percentages. This guide explains the formulas, worked examples, conversions, and the correct way to set a selling price for a target margin or markup. Cost, selling price, and gross profit A basic margin-and-markup calculation uses three quantities. Cost is the amount you choose to treat as th..