Percentage Calculator
Calculate percentages with multiple calculation modes.
What is X% of Y?
What is% of?
Quick Calculations
Percentage Reference
| Percentage | Fraction | Decimal |
|---|---|---|
| 10% | 1/10 | 0.1 |
| 20% | 1/5 | 0.2 |
| 25% | 1/4 | 0.25 |
| 33.33% | 1/3 | 0.333 |
| 50% | 1/2 | 0.5 |
| 66.67% | 2/3 | 0.667 |
| 75% | 3/4 | 0.75 |
| 100% | 1 | 1.0 |
Percentage Calculations
This calculator supports multiple types of percentage calculations:
X% of Y
Calculate what a percentage of a number is. For example: What is 20% of 150? Answer: 30
What Percent
Find what percentage one number is of another. For example: 30 is what % of 150? Answer: 20%
Percentage Change
Calculate the percentage increase or decrease between two values. For example: Change from 100 to 125 = 25% increase
Adjust by Percentage
Increase or decrease a number by a percentage. For example: Increase 100 by 15% = 115
Find Original Value
Find the original value before a percentage change. For example: If 115 is 15% more than X, what is X? Answer: 100