Free markup and margin calculator

How to use

1. Choose Markup % to enter a percentage added to cost, or Margin % to enter the target profit as a fraction of the selling price.
2. Enter the cost of the item.
3. Enter the markup or margin percentage.
4. The calculator shows selling price, profit, and both markup% and margin% simultaneously.

The formulas

Markup mode (input is markup%):

Selling price = cost × (1 + markup% / 100)
Profit = selling price - cost
Margin% = profit / selling price × 100

Margin mode (input is margin%):

Selling price = cost / (1 - margin% / 100)
Profit = selling price - cost
Markup% = profit / cost × 100

Worked example

Cost $50, markup 50%:

• Selling price: $50 × 1.5 = $75.00
• Profit: $75 - $50 = $25.00
• Markup: 50%
• Margin: $25 / $75 = 33.33%

Now with cost $50, margin target 50%:

• Selling price: $50 / (1 - 0.5) = $100.00
• Profit: $100 - $50 = $50.00
• Markup: $50 / $50 = 100%
• Margin: 50%

Notice that a 50% margin requires a 100% markup — these two numbers describe the same profit dollar amount from opposite sides.

Notes

• Margin is capped at 99.99% — a 100% margin would require an infinite selling price.
• Both markup and margin are shown for every calculation regardless of which mode you use, so you always have the full picture.
• Percentages here are gross margin/markup. Net margin also subtracts overhead, taxes, and other costs from profit before dividing.