Number Base Converter

Digits 0–9 then letters A–Z for bases above 10

2 binary · 8 octal · 10 decimal · 16 hex

Base 2

11111111

Binary (base 2)
1111 1111
Octal (base 8)
377
Decimal (base 10)
255
Hexadecimal (base 16)
FF
Bits needed
8

Open the full number base converter with the formula and FAQs at Calcs for Life