Number Base Converter

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

Binary (Base 2)

Octal (Base 8)

Decimal (Base 10)

Hexadecimal (Base 16)

Use our free number base converter to instantly convert between binary (bin), octal (oct), decimal (dec), and hexadecimal (hex) number systems. Perfect for programmers, students, and electronics enthusiasts. Type in any field and all others update automatically. All processing is client-side.