Percentage Calculator
Select mode and enter values.
📝 How to Use
1. Choose the mode
- X% of Y: Calculates what X percent of Y equals (e.g. “20% of 150”).
- X is what % of Y: Calculates what percentage X is of Y (e.g. “30 is what % of 200?”).
2. Enter your numbers
- In the X field put either a percentage (for the first mode) or a value (for the second).
- In the Y field put the base or comparison value.
3. See instant results
As soon as you type or switch modes, the JavaScript recalculates and shows you the answer, formatted to a reasonable number of decimal places.
