🧮 Everyday Calculators
Percentage Calculator
Solve the three most common percentage questions instantly.
Ready to use · Runs in your browser · No signup
%
25% of 200 = 50
How to use the Percentage Calculator
Use one page to solve the most common percentage forms: a percentage of a value, one value as a percentage of another, or the whole when a part and percentage are known.
- Choose the percentage question that matches what you know.
- Enter the two known values in the labelled fields.
- Fieldlet rearranges the percentage relationship as needed and displays the missing value.
Last reviewed for accuracy:
Common questions
Which percentage questions can this solve?
It handles what is X% of Y, X is what percent of Y, and X is Y% of what. Percentage increase or decrease has its own dedicated Fieldlet.