Percentage Calculator
Calculate percentages quickly.
25 is what % of 200
12.5%
25% of 200
50
Find what percent X is of Y, and what a given percentage of a number is.
What is a Percentage Calculator?
A percentage calculator solves the everyday percentage questions: what percent one number is of another, and what a given percentage of a number equals. Fontily's answers both instantly as you type, so there's no formula to remember.
Features
- Two calculations at once — "X is what % of Y" and "X% of Y".
- Instant results with two-decimal precision.
- Works for any values, positive or negative.
- Free and private — runs in your browser.
How to Use the Percentage Calculator
- Enter your two values, X and Y.
- See both results update immediately.
- Read the percentage or the calculated amount.
Benefits
Percentages come up constantly — in shopping, grades, tips and statistics — and doing them in your head is error-prone. An instant calculator gives you accurate answers fast, whether you're checking a discount, a test score or a data figure.
Use Cases
- Discounts and sale prices.
- Tips, tax and markups.
- Test scores and grades.
- Statistics and data percentages.
Conclusion
Fontily's Percentage Calculator answers both common percentage questions instantly, with no formulas to recall. Enter your numbers above for an immediate, accurate result — free and simple.
Frequently asked questions
Enter the part as X and the whole as Y. The tool shows X as a percentage of Y — for example, 25 is 12.5% of 200.