Percentage Calculator

Calculate various percentage operations easily with our free online percentage calculator. Solve common questions like 'What is 15% of 100?' 'What percent is 30 of 150?' 'What is the percent change from 10 to 15?' Perfect for discount calculations, tax calculations, and grade conversions.

사용 방법

Select the type of calculation you need.
Enter the numbers.
Results appear automatically.

주요 기능

Calculate X% of Y
Calculate what percent X is of Y
Calculate percentage change (increase/decrease)
Real-time results

자주 묻는 질문

What is a percentage?

A percentage (%) means per 100. For example, 50% means 50 out of 100, or half.

How do I calculate discounts?

Use 'What is X% of Y'. For example: 20% off a $100 item = 20% of 100 = $20 discount.

Can it calculate increase and decrease rates?

Yes, the percentage change feature calculates increase or decrease percentage between two values.