Smart Calculator
Calculate with natural language: "20% of 150" or "150 + 19% VAT". Understands percentages, VAT, and more. Free in your browser.
The Smart Calculator — Math in Natural Language
The Smart Calculator understands calculations the way you think them. Instead of formulas, just type: "20% of 450", "150 plus 19% VAT", or "3,500 gross minus 42%". The calculator recognizes your intent and delivers the result — instantly and without mental gymnastics.
What Does the Smart Calculator Understand?
- Percentages — "20% of 450", "250 plus 15%", "800 minus 30%"
- Basic arithmetic — Addition, subtraction, multiplication, division
- Parentheses and order — "(200 + 300) x 1.19"
- Powers and roots — "5 to the power of 3", "square root of 144"
- Unit conversion — "5 km to m", "2.5 hours to minutes"
Everyday Examples
The Smart Calculator is built for daily life: "What is 19% of 299?" returns 56.81. "3 x 4.99" gives 14.97. "1,200 divided by 3 people" shows 400. No calculator logic required — just write what you want to know.
Scientific Mode
For more advanced calculations, the Smart Calculator offers trigonometric functions (sin, cos, tan), logarithms (log, ln), and constants (Pi, e). Ideal for school, university, or technical computations.
Keyboard Shortcuts
The Smart Calculator supports full keyboard operation. Enter calculates the result, arrow-up recalls the last input, Escape clears the input field. All calculations happen locally in your browser.