STUDENT CALCULATOR
Percentage Calculator
Use this free percentage calculator to find a percentage of any number. It is useful for marks, discounts, test scores and everyday calculations.
How to calculate a percentage
To find a percentage of a number, multiply the number by the percentage and divide by 100. For example, 25% of 80 is 20.
Common student uses
- Calculate exam and assignment percentages.
- Convert a score into a percentage.
- Quickly check percentage-based calculations.
Frequently asked questions
What is 20% of 150?
20% of 150 is 30.
What is the percentage formula?
Percentage of a number = (percentage × number) ÷ 100.