What is Percentage Calculator?

A free tool to calculate percentages three ways: percentage of a number, what percent is X of Y, and percentage increase/decrease.

Yes, 100% free. No registration.

How to calculate percentage of a number?

Select first option, enter the percentage and number, click Calculate.

Yes, supports decimal numbers with high precision.

Yes, everything runs in your browser.

Calculez des pourcentages facilement

Percentage %

Number

Free Percentage Calculator — calculate percentage of a number, what percent X is of Y, and percentage increase/decrease. Simple and fast.

Perfect for students, accountants, and merchants.

Answers to the most common questions

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