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Free Number Base Converter — Binary, Octal, Decimal, Hex

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

Number Base Converter

Input Value

Input Base

Binary (Base 2)

0b11111111

Octal (Base 8)

0o377

Decimal (Base 10)

255

Hexadecimal (Base 16)

0xFF

Decimal value: 255 · Bits needed: 8