Perform calculations with our intuitive, responsive calculator that works seamlessly on all devices.
Not every calculation needs a scientific tool. The Basic Calculator handles the four operations you use every day — addition, subtraction, multiplication and division — with a clean, intuitive keypad that works the moment the page opens. There is nothing to install, no settings to configure and no learning curve: type or tap your numbers and get an instant, accurate result.
It is built for the small sums that come up constantly: adding up a shopping list, checking a bill, splitting a restaurant total between friends, working through homework, or sanity-checking figures while you work. Because the calculator is fully responsive, it feels just as natural on a phone as it does on a tablet or desktop, so it is always within reach when a number needs checking.
The Basic Calculator is completely free, with no sign-up and no limits on how often you use it. Open it, do your math, and get on with your day.
Everyday arithmetic — addition, subtraction, multiplication and division.
Yes. The calculator is responsive and works seamlessly on phones, tablets and desktops.
Yes — completely free, with no sign-up and no usage limits.
No. It runs directly in your browser; just open the page and start calculating.