Percentage Calculator
Percentage calculator
Result
30
How this percentage calculator works
Enter a percentage and a number to calculate that percentage of the number. For example, 20% of 150 is 30.
Formula
Percentage result = percentage ÷ 100 × number.
Common uses
Estimate discounts, tips, taxes, commissions, progress, portions, and changes in everyday figures.
Frequently asked questions
How do I calculate a percentage of a number?
Enter the percentage and the number. The calculator divides the percentage by 100 and multiplies it by the number.
Can I use decimal values?
Yes. Both fields accept decimal values, including percentages greater than 100 or below 1.
Can this calculate percentage increase or decrease?
This version calculates a percentage of a number. Dedicated increase, decrease, and percentage-change modes are planned separately.