±Free
Percentage calculator
Calculate a percentage of a number.
Calculate a percentage of a number by multiplying the amount by the percentage and dividing by 100. Use it for questions such as “What is 20% of 250?” The result is the percentage amount, not the remaining balance.
How to use
- Enter the amount you want to calculate from.
- Enter the percentage, then run the tool.
- Read, copy or download the calculated percentage amount.
Worked example
Example input
Amount: 250 Percentage: 20
Example result
Result: 50 Calculation: 250 × 20 ÷ 100 = 50
Limitations and details
This tool does not calculate percentage change, add a percentage to a price, or subtract a discount. Finite negative numbers and percentages above 100 are accepted. Displayed numbers are rounded to at most eight decimal places.
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.