Percentage Calculator

Quickly calculate percentage portions, ratios, and growth/decrease rates.

What is% of?
30
is what percent of?
20%
Change fromtois
20% Increase

Everyday Percentage Math

Whether you are calculating discount rates for an e-commerce platform, determining tax brackets, or figuring out your month-over-month active user growth, percentage math is surprisingly easy to mix up. Our Percentage Calculator breaks down the three most common formula scenarios so you never make a logic error again.