Percentage Calculator

Quickly solve everyday percentage math problems.

What is % of ? -

is what % of ? -

Increase by % is: -

Why use a Percentage Calculator?

Percentages are used constantly in daily life, from calculating tax and tips at restaurants, to figuring out discounts during a sale, or calculating the growth metric of a business. This tool takes the mental fatigue out of cross-multiplication formulas and instantly gives you accurate results.

Is it safe and private?

Yes, absolutely. All processing is done locally within your web browser using JavaScript. Your data is never transmitted to or stored on our servers, ensuring 100% privacy and security.