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03·Utility/number-base-converter

Number Base Converter

in-browser
⌘K
How it works
  1. Enter a number in any base.
  2. See the converted value in all other bases instantly.
  3. Copy any result to clipboard.

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Quick reference (0–15)

DecHexBinOct
0000
1111
22102
33113
441004
551015
661106
771117
88100010
99100111
10A101012
11B101113
12C110014
13D110115
14E111016
15F111117
Decimal (base 10), hexadecimal (base 16), binary (base 2), and octal (base 8). Type in any field and the others update automatically.
JavaScript safely handles integers up to 2^53 - 1 (9,007,199,254,740,991). Numbers beyond this may lose precision.
Bit length is the minimum number of binary digits needed to represent the number, calculated as floor(log2(n)) + 1.