Free Percentage Calculator

Percentages made simple — find a percent of a number, a percent change, or a discount price, instantly.

What do you want to calculate?

Percentage (%)

Of number

Free tool — calculations happen in your browser. Nothing is sent anywhere.

Percentages are everywhere — a 20 percent discount in a shop, a salary increase, a tax rate, exam marks, or a price that went up by 15 percent. Working them out in your head is easy to get wrong, especially under pressure. This free percentage calculator answers the four questions people ask most: what is X percent of Y, what percentage is X of Y, what is the percentage increase or decrease between two numbers, and what is the price after a discount. Type two numbers, get the answer instantly, with no sign-up and nothing to install. It is handy for shoppers checking a sale price, students working out marks, shopkeepers setting prices, and office workers preparing reports and salary figures.

How to use the Percentage Calculator

Pick the calculation you need — percent of a number, percent change, or discount price.
Type the two numbers into the boxes.
Read the answer instantly, with the working shown so you can check it.

Why use this tool

Four percentage calculations in one tool — percent of, percent change, increase, decrease and discounts.
Instant answers with the working shown, so you can trust and check the result.
Useful for shopping, exams, salaries, taxes and business pricing.
Free, with no sign-up and nothing to install.

Frequently asked questions

How do I work out 20% off a price of AED 250?

Enter 250 as the price and 20 as the discount. The tool shows a discount of AED 50 and a final price of AED 200.

What is the difference between percentage increase and percentage points?

A rise from 20% to 25% is a 5 percentage point rise, but a 25% increase on the original 20%. This tool shows the percentage change, which is the second number.

How do I find what percentage one number is of another?

Use the "X is what percent of Y" calculation. For example, 45 marks out of 60 is 75%.

Can I use this for salary increases?

Yes. Enter your old salary and your new salary to see the percentage increase, or enter your salary and a percentage to see the new amount.