Percentage calculator
Answer a percentage question with two numbers. The math stays in this browser.
It runs in your browser. What you enter stays on this device.
How to use it
- 1Choose the question.
- 2Enter X and Y.
- 3Choose Calculate.
When it helps
- Find a discount.
- See the percent change between two amounts.
- Add tax as a percent.
Good to know
- Results are rounded to four decimal places.
- A percent change needs a starting number other than zero.
Questions
Which number is the percent?
X is the percent for “what is X% of Y”, “add X%”, and “take X%”. For the other questions, X is the first amount.
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