Quick examples
- 125 + 37 = 162
- 84 ÷ 7 = 12
- 19 × 6 = 114
- 15% = 0.15
Add, subtract, multiply, divide, and work with percentages.
Basic calculator
A fast everyday calculator with keyboard support.
READY0
Keyboard shortcuts: numbers, decimal point, +, −, ×, ÷, Enter, percent, and Escape.
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How to use this calculator
Use the basic calculator for quick everyday arithmetic without leaving the page. The large keypad works with touch, mouse, and common keyboard shortcuts, while calculations stay in your browser.
Steps
- Enter the first number.
- Choose an arithmetic operator.
- Enter the next number and press equals.
- Use AC to clear the current calculation.
Can I use my keyboard?
Yes. Use number keys, decimal point, +, -, *, /, %, Enter, and Escape.
What happens if I divide by zero?
The calculator shows a clear error and waits for a new input instead of displaying an invalid result.
Are calculations stored?
No. The active values and result remain in the current browser page only.
Basic Calculator calculates results in your browser. Check important financial, medical, or planning decisions with an appropriate professional.