Percentage Calculator

Calculate percentages, find what percent one number is of another, or compute percentage change.

Runs entirely in your browser

What is X% of Y?

What is % of ?

How it works

Calculate percentages instantly.

1

Choose a mode

Select which type of percentage calculation you need.

2

Enter your numbers

Type the values into the input fields.

3

See the result

The answer is calculated live as you type.

Why use KepTools Percentage Calculator?

Live calculation

Results update instantly as you type -- no button needed.

100% private

All calculations happen locally in your browser.

Three modes

Find a percentage of a number, what percent one is of another, or percentage change.

No account needed

Just open the page and start calculating. No sign-ups or logins.