Percentage Calculator

Calculate Percentages Online

Calculate percentages quickly with our free online tool. Find what percent one number is of another, calculate percentage increase or decrease, or find a percentage of any number. Essential for students, shoppers calculating discounts, business professionals analyzing data, and anyone who works with percentages regularly.

Percentage calculations come up constantly in daily life, from figuring out sale prices and tips to analyzing business metrics and test scores. Our calculator handles all common percentage operations with clear, instant results.

Multiple Calculation Types

Calculate "what is X% of Y", "X is what percent of Y", and "percentage change from X to Y". Each calculation type has its own clear input fields so you always get the right answer. Results update in real time as you type.