Percentage Calculator
Find percentages, percentage change and more.
Percentages come up everywhere — discounts, tips, marks, growth and taxes.
About Percentage Calculator
Solve the four most common percentage questions in one place: what is X% of Y, X is what percent of Y, percentage increase or decrease between two numbers, and adding or subtracting a percentage. Instant results with no sign-up.
Percentages come up everywhere — discounts, tips, marks, growth and taxes. This calculator answers the four most common percentage questions on a single page, so you don't have to remember the formulas.
How to use Percentage Calculator
- Pick the question you need: X% of Y, X is what percent of Y, percentage change, or add/subtract a percentage.
- Type your numbers into the two boxes.
- The answer updates instantly beneath the inputs.
Key features
- Four percentage calculators in one page.
- Percentage increase and decrease between two values.
- Add or subtract a percentage in one step.
Common use cases
- Working out discounts, markups and price changes.
- Calculating exam scores and grades.
- Comparing growth between two periods.
Frequently asked questions
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