Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal. Type in any field — all others update instantly.

Binary0b

Octal0o

Decimal

Hexadecimal0x

8-bit

Signed / Unsigned Interpretations

8-bit

Unsigned (8-bit)255

Signed (8-bit, two's complement)-1

16-bit

Unsigned (16-bit)255

Signed (16-bit, two's complement)255

32-bit

Unsigned (32-bit)255

Signed (32-bit, two's complement)255

64-bit

Unsigned (64-bit)255

Signed (64-bit, two's complement)255