Percentage Calculator

Calculate a percentage of a number, or find what percent one number is of another. Free percentage calculator for discounts, tips, and stats.

Base Number

Percentage

Result

30.00

How do I calculate a percentage?▼

To find X% of a number, multiply the number by X divided by 100. To find what percent A is of B, divide A by B and multiply by 100.

What is the difference between percent and percentage points?▼

A change from 10% to 15% is a 5 percentage-point increase, but a 50% relative increase. This calculator deals with simple percentage values.

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