Number Base Converter
Convert Between Bases
Formula
Convert to decimal first, then to target base
Frequently Asked Questions
What are number bases?
A number base (radix) is how many unique digits are used. Base 2 (binary) uses 0-1, base 8 (octal) uses 0-7, base 10 (decimal) uses 0-9, base 16 (hex) uses 0-9 and A-F. Bases up to 36 use 0-9 and A-Z.