Simple Calculator
Use digits, decimals, operators, percentage, backspace, and keyboard shortcuts.
A QUICK WALKTHROUGH
How to use this tool
- Enter a number and operator.
- Continue with chained operations or percentage.
- Press equals to see the result.
Local calculator
Calculations happen in your browser. Button size is saved locally.
GOOD TO KNOW
Common questions
How does percentage work?
The percentage uses the first operand, so 500 + 20% gives 600.