Percentage Calculator
Work out percentages, ratios and percent change instantly.
0A% of B
0A is % of B
0Change A→B
100% private Instant Free forever
About the Percentage Calculator
The Percentage Calculator answers the three most common percentage questions at once: what is A% of B, what percent A is of B, and the percent change from A to B. Just type two numbers and read every result.
How to use the Percentage Calculator
- 1Enter your first number (A).
- 2Enter your second number (B).
- 3Read all three percentage results instantly.
Popular use cases
- Calculate discounts, tips and tax.
- Find grade and score percentages.
- Measure growth or decline between two figures.
Frequently asked questions
How is percent change calculated?
As (B − A) ÷ A × 100, where A is the original value.
Can it handle decimals?
Yes, decimal inputs are fully supported.
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