Simple Calculator
Quick everyday arithmetic, right in your browser
Sometimes you just need a calculator without opening another app. This free online calculator handles everyday addition, subtraction, multiplication and division instantly, works with your keyboard, and loads in any browser on desktop or mobile.
How to Use the Online Calculator
- 1Click the number and operator buttons, or type directly on your keyboard.
- 2Build your expression just like a physical calculator.
- 3Press equals or hit Enter to see the result.
- 4Press C or Escape to clear and start a new calculation.
Why Use This Tool
- Full keyboard support for fast entry.
- Clean, large display that's easy to read on any screen.
- Works offline once the page has loaded.
- No ads or pop-ups interrupting your calculation.
Frequently Asked Questions
Can I use my keyboard instead of clicking?
Yes, number keys, plus, minus, times, divide, Enter, Backspace and Escape all work directly on this calculator.
Does it support order of operations?
Yes, standard multiplication and division are evaluated before addition and subtraction, following normal math rules.
Is there a limit to how large my numbers can be?
You can perform calculations with very large numbers, though extremely large results may display in scientific notation due to standard number precision limits.