Percentage Calculator — What percent, percent of, and percent off, all in one place
Three everyday percentage calculations: what percent one number is of another, X percent of a number, and the price after a percentage discount. For test scores, sale prices, tax, raises and growth rates.
Work out a sale price, a test score or a growth rate without doing the division by hand.
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Percentage Calculator: tips and things to know
- A price with Japan's 10% consumption tax is the base price × 1.1.
- "3 wari" (3割) off in a Japanese shop means 30% off, so you pay 70%.
- Year-on-year change is (this year − last year) ÷ last year × 100.
How to use the Percentage Calculator
Choose a mode
Pick "A is what % of B", "X% of A" or "Discount".
Enter the numbers
Fill in the two fields.
Read the result
The answer appears as you type.
Percentage Calculator FAQ
What can it calculate?
Three things: what percent A is of B, what X percent of A is, and the price after a percentage discount.
Can I enter decimals?
Yes. Decimal values work in every field.
Can I use it for consumption tax?
Yes. Use "X% of A" with the tax rate to get the tax, or the consumption tax calculator for tax-included prices directly.