Percentage Calculator

Quick percentage calculations for everyday use

What is X% of Y?

Find the percentage of a number

20

X is what % of Y?

Find the percentage ratio

12.5%

Percentage Change

Calculate increase or decrease

+50%

Use our free percentage calculator for quick percentage calculations. Find what percent of a number is, calculate percentage ratios, and determine percentage increase or decrease between two values. Perfect for discounts, tips, grades, and financial calculations. All processing is client-side and private.