Percentage Calculator
Enter your numbers to instantly calculate a percentage, both ways: X% of Y, and X is what % of Y.
What is
%
of
=
is what % of
=
Pourquoi utiliser cet outil ?
Percentage calculations come up constantly (discounts, tips, statistics) but are easy to get wrong in your head. This tool computes both common percentage questions live, directly in your browser.
Why it's free
A discreet ad banner covers hosting costs — that's the whole business model. No account to create, no usage limit, no paid tier unlocking the real result. Calculations run in your browser, so your numbers, dates and text never leave your device.
How our tools work