Basic Calculator

Perform basic arithmetic: add, subtract, multiply, divide.

Calculator

Click buttons or use your keyboard

History (Last 10)

Keyboard Shortcuts

0-9 — Number keys
+ - * / — Operators
Enter — Calculate
Escape — Clear
Backspace — Delete last digit

Tips

The C button clears the display, AC clears everything including history.

The % button divides the current number by 100.

Use ± to toggle between positive and negative numbers.

About This Calculator

Perform basic arithmetic: add, subtract, multiply, divide.

Everything is worked out in your browser as you type, so your figures never leave your device.

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Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the basic figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.