Related tools
More math & number utilities:
Percent Calculator Unit Converter Age Calculator Text Utilities
Prefer বাংলা? Try the বাংলা সংস্করণ.
0
C
÷
×
+
1
2
3
−
4
5
6
.
7
8
9
=
0
It supports the core operations—addition, subtraction, multiplication, division—plus percentages, parentheses, memory keys, and keyboard input. Everything runs locally in your browser for instant, private results. Use this free online calculator Do fast, accurate math with our Calculator.
Calculator – Frequently Asked Questions
Yes. After the first load, everything runs in your browser.
No. We don’t send your input anywhere — it stays on your device.
A number followed by % is a percentage of 1. For
example, 12% becomes 12/100, so
12% * 200 = 24.
Basic arithmetic with parentheses:
+ − ×
÷ (also * and /),
decimals, and %.
That’s normal with floating-point math in browsers. You may
see tiny rounding artifacts (e.g.,
0.30000000000000004).
Yes. It works in any modern mobile or desktop browser.
Not in this tool — it keeps things simple. For advanced math, use a scientific calculator.