Number Base & Unit Converter
Type a number, see it in every base instantly. Plus a quick unit converter for length, weight, data, temperature and speed.
Base conversion
| Enter a number above |
Unit conversion
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Type a number, see it in every base instantly. Plus a quick unit converter for length, weight, data, temperature and speed.
| Enter a number above |
Hex color codes, memory addresses, subnet masks, exam questions — base conversion comes up constantly. Type in any of the four common bases (binary, octal, decimal, hexadecimal) and read off all the others at once, with no page reloads.
Why does 1 GB sometimes mean 1,000,000,000 bytes? Storage vendors use decimal prefixes (GB = 10⁹), while operating systems often report binary gibibytes (GiB = 2³⁰). This converter lets you pick either explicitly.