Calculate percentages, find what percent one number is of another, or calculate the result of a percentage of a value.
Percentage Calculator
Percentage
Inputs
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Enter the base value in the first field.
Enter the percentage you want to calculate.
Click Calculate to see the result.
To find what X% of Y is, multiply Y by X and divide by 100. This calculator handles all common percentage use cases including sales tax, discounts, tips, and grade calculations.
Multiply 150 by 20 and divide by 100. The result is 30. With our calculator, just enter 150 as the value and 20 as the percentage.