Percentage Calculator
Four ways to calculate percentages — pick the one you need.
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is what % of
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About this calculator
Four common percentage calculations in one place. Switch between tabs depending on what you know and what you need to find.
Which tab to use
- X% of Y — "What is 20% of 150?" → 30
- X is what % of Y — "30 is what percent of 150?" → 20%
- % Change — "What is the % change from 80 to 100?" → 25% increase
- Add / Remove % — "Add 15% to 200" → 230, or "Remove 15% from 200" → 170
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FAQ
- What is percentage change vs adding a percentage?
- Percentage change measures the relative change between two values. Adding/removing a percentage applies that percentage directly to one value (e.g. a 15% tip or a 10% discount).
- How do I calculate tax?
- Use the Add % tab. Enter your pre-tax price as Value and your tax rate as Percentage.