Money calculator
Markup Calculator
Compare markup and gross margin from a product's cost and selling price.
Cost and selling price must be greater than zero.
Markup amount
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Markup percentage—
Gross profit—
Gross margin—
How it works
Markup measures profit relative to cost. Margin measures the same profit relative to selling price, so the two percentages are not interchangeable.
Markup % = profit ÷ cost × 100; margin % = profit ÷ selling price × 100
Worked example
An $80 cost and $100 selling price gives $20 profit, 25% markup, and 20% margin.
How to use this tool
- Enter the known values and choose units where available.
- Check the primary result and supporting details.
- Clear or replace an input to calculate another case.
Frequently asked questions
What happens with invalid or incomplete inputs?
The result remains blank until the required inputs form a finite, meaningful calculation. Zero denominators and physically impossible negative quantities are not calculated.
Can I use decimal values?
Yes. The tool accepts decimals and keeps full precision for the calculation while rounding the displayed result for readability.