Percentage Calculator
Use this free percentage calculator to solve everyday percent problems in seconds. Choose a mode, enter your numbers, and get an instant answer with the formula shown.
What is X% of Y?
Find a percentage of a number
Quick select
Result
Enter values to calculate
About this percentage calculator
Use this free percentage calculator to solve everyday percent problems in seconds. Choose a mode, enter your numbers, and get an instant answer with the formula shown.
Worked examples
| Question | Answer |
|---|---|
| What is 15% of 200? | 30 |
| What is 20% of 50? | 10 |
| What is 7.5% of 80? | 6 |
Formula
| Goal | Formula |
|---|---|
| X% of Y | (X ÷ 100) × Y |
| X is what % of Y | (X ÷ Y) × 100 |
FAQ
- How do you calculate a percentage?
- Divide the part by the whole and multiply by 100, or multiply the whole by (percent ÷ 100). Example: 15% of 200 = 0.15 × 200 = 30.
- Is this percentage calculator free?
- Yes. PercentBox is free, works in your browser, and does not require an account.
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