Percentage calculator
Pick the question, then fill the two numbers. Change the question if you need a different one.
- Three questions
- Free, no sign-up
Free to use, no account. More everyday tools
How to use it
- Choose the question.
- Enter the two numbers it asks for.
- Read the result. Switch questions without reloading.
The three formulas
“What is X% of Y” multiplies Y by X/100. “X is what percent of Y” divides X by Y. Percent change divides the difference by the starting number, so a rise from 80 to 100 is 25%.
Percent change needs a starting number that is not zero. A fall is shown as a negative percent.
Private by design
Privacy
The numbers stay in this tab and are not uploaded.
Questions
Why is percent change negative?
The new number is smaller than the start. The sign shows the direction.
Can I use decimals?
Yes.
Is this for exam scores?
For “what do I need on the final”, use the final grade calculator. It accounts for weights.