Percentage Calculator
Instantly calculate a given percentage of a number. Enter the value and the percentage, and see the result right away.
Result: Percentage of a number
30
About
Percentage calculations are among the most common math operations in everyday life — from shopping and finance to school and work. Finding what percent of an amount equals is the basis of discounts, taxes, tips, profit and commission.
This tool does the work for you in seconds. Everything is calculated in your browser, your data is never sent anywhere, and the result appears instantly and accurately.
How to use
- Enter the number you want a percentage of in the value field.
- Type the rate (%) in the percent field.
- The result is calculated and shown automatically.
Frequently Asked Questions
- How do you calculate the percentage of a number?
- Multiply the number by the percentage and divide by 100. For example, 15% of 200 = 200 × 15 ÷ 100 = 30.
- Is the calculation done in the browser?
- Yes. Everything runs on your device; the values you enter are never sent to any server.