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Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

Try:

Base 2Binary

Base 8Octal

Base 10Decimal

Base 16Hexadecimal

Quick Reference

Decimal	Binary	Octal	Hex
0	0	0	0
1	1	1	1
2	10	2	2
4	100	4	4
8	1000	10	8
10	1010	12	A
15	1111	17	F
16	10000	20	10
32	100000	40	20
64	1000000	100	40
100	1100100	144	64
128	10000000	200	80
255	11111111	377	FF
256	100000000	400	100

Number Base Converter - Binary, Decimal, Hex | Tookio