Percentage calculator

Quickly calculate a percentage of a number, increase or decrease a value, or find a number from a known percentage.

Calculation parameters

Number Percentage (%)

15% of 120 =

15%of the number

#Base number120

Percentage (%)15%

=Result18

Formula: X × P / 100where X is the number and P is the percentage

How it worksWe multiply the number by the percentage and divide the result by 100.

To find a percentage of a number, multiply the number by the percentage and divide by 100.

For example, to find 15% of 120:

120 × 15 / 100 = 18

Therefore, 15% of 120 equals 18.

More examples 10% of 250 = 2525% of 80 = 2050% of 300 = 1505% of 600 = 30

How do I find a percentage of a number?

Multiply the number by the required percentage and divide by 100. For example, 15% of 120: 120 × 15 / 100 = 18.

How do I calculate a percentage change?

To increase, add the percentage part to the number; to decrease, subtract it. The calculator does this automatically.

Can I use the calculator on a phone?

Yes. The page is responsive and calculations work without reloading on phones, tablets and computers.

Does the calculator support decimal numbers?

Yes. You can enter integers and decimal values. Both dot and comma decimal separators are accepted.