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general calculator
Everyday math — brackets, percentages, squares and square roots. Results copy automatically.
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Results copy to clipboard automatically when you press =. Supports brackets, percentages, squares and square roots. Keyboard input also works.
How to use the calculator
Click the buttons or use your keyboard to enter numbers and operators. Press = or Enter to calculate. The result copies to your clipboard automatically.
Keyboard shortcuts
0–9 Numbers · + - * / Operators · Enter / = Calculate · Backspace Delete last · C / Esc Clear · ( ) Brackets · % Percent
FAQ
What does % do?
Converts your current entry to a percentage. Enter 15, press % to get 0.15. Multiply by a number to find a percentage of it.
How do I use brackets?
Press ( and ) to group parts of your expression. For example (4 + 5) × 3 = 27.
What is x²?
Squares the current value. Enter a number then press x² to get its square. For example 9 x² = 81.
Does it copy results?
Yes — every time you press = the result is automatically copied to your clipboard.