Enter an expression
4
Enter a valid arithmetic expression.
Free everyday calculator
Simple Calculator
safe everyday arithmetic
Calculate addition, subtraction, multiplication and division with decimal and parentheses support.
What is a simple calculator?
It is a focused browser tool for common arithmetic without sending expressions to a server.
How to use this calculator
Type an expression or use the keypad, then press Enter or equals. Clear and backspace help correct input.
Common use cases
Useful for totals, differences, ratios, quick estimates and checking everyday calculations.
Controlled expression parsing
Only numbers, arithmetic operators, decimals and parentheses are accepted.
Frequently asked questions
Does it support parentheses?
Yes. Parentheses and standard multiplication-before-addition precedence are supported.
Can I use the keyboard?
Yes. Type allowed characters, press Enter to calculate, Backspace to edit and Escape to clear.