How to Calculate a Markup
Understand markup as the amount added to a cost to reach a selling price.
Key idea
Understand markup as the amount added to a cost to reach a selling price.
Formula or method
Worked example
Start with the values in your question, substitute them into the formula, and keep the units consistent. For example, if a rate is given as 15%, use 0.15 when a formula requires a decimal.
Common mistakes
- Mixing percentage points with percentage change.
- Using different units for the same calculation.
- Rounding too early when several steps are involved.
Why the result can differ
Real-world calculations can include assumptions, rounding, fees, tax rules, calendar conventions, or other details. Treat simple calculator results as estimates when the underlying situation is more complex.
Markup versus profit margin
Markup is normally measured against cost, while profit margin is measured against selling price. If an item costs 60 and sells for 90, the markup is 30 ÷ 60 = 50%, while the gross margin is 30 ÷ 90 = 33.3%.
Why the distinction matters
Using the terms interchangeably can produce incorrect pricing analysis. A business can use markup to set a selling price and then use margin to evaluate how much of that selling price remains after the relevant costs.
Practical check
Write down the denominator before calculating a percentage. If it is cost, you are measuring markup; if it is selling price, you are measuring margin.