Percentage Calculator
Calculate exact percentages instantly. Discover what a percentage of a number is, or figure out what percent one number is of another — perfect for calculating tips, taxes, discounts, or test scores.
How to Use the Calculator
- 1
Input your two numbers
Enter Value X and Value Y into the corresponding fields.
- 2
Let the calculator solve
The tool instantly computes the two primary percentage formulas used in daily life.
- 3
Review your results
You will instantly see exactly what X% of Y is, and also what percent X is of Y.
Frequently Asked Questions
How do I calculate a percentage of a number?
To find the percentage of a number, multiply the number by the percentage fraction. For example, to find 20% of 150, multiply 150 by 0.20.
How do I find what percent one number is of another?
Divide the part by the whole, then multiply by 100. For example, to find what percent 20 is of 150: (20 / 150) × 100 = 13.33%.
Can percentages be greater than 100?
Yes. A percentage over 100 represents an amount greater than the original whole. For example, 150% of 10 is 15.