Percentage calculator
Calculate the amount represented by a percentage of a value.
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How we handle your data →How to use this tool
- Enter the full amount and percentage.
- Calculate the portion represented by that percentage.
- For a final price, subtract that portion for a discount or add it for a surcharge.
An example you can verify
Calculate the portion of an amount represented by a percentage.
Example input
Value: 200 Percentage: 15
Expected result
30
For a discount, subtract the calculated portion from the price. A 15% discount on 200 leaves a price of 170.
Settings and limits
Enter the value and percentage. For example, 15% of 200 is 30. Negative values and decimals are supported.
Frequently asked questions
Can I calculate a discount?
Yes. Calculate the percentage of the price and subtract that amount from the original price.
Guides
Distinguish a percentage of a quantity, a proportion between quantities and change from an initial value.
Distinguish quantities that grow together from those that move in opposite directions and verify the formula with known values.