Percentage Calculator
Percent of a number, percentage change and more.
How to use the Percentage Calculator
- Choose what to work out
X% of Y, what % X is of Y, the change between two numbers, or adding a percentage.
- Type the numbers
The answer updates as you type.
- Copy the answer
With one click.
Questions
Is it really free, with no sign-up?
Yes, completely. There's no sign-up, no login and no daily limit: just open the page and start. It works in your browser on any computer, phone or tablet with nothing to install.
How do I calculate a percentage increase?
Choose "% change", type the old and the new value: the increase is (new − old) ÷ old × 100.