Percentage Calculator

Calculate percentages easily and instantly

What is X% of Y?


X is what % of Y?

What is a Percentage?

A percentage is a way of expressing a number as a fraction of 100. It is commonly used in exams, finance, discounts, GST, and statistics.

How to Calculate Percentage

To find what is X percent of Y, multiply Y by X and divide by 100. To find X is what percent of Y, divide X by Y and multiply by 100.

Why Use Our Percentage Calculator?

Frequently Asked Questions

Yes. This calculator is perfect for calculating marks, grades, and exam percentages.
Yes. You can calculate discounts, GST values, and price changes using this tool.
Yes. The percentage calculator on OnlineToolLab is completely free to use.