Number Base Converter

Convert numbers between binary, decimal, hexadecimal, and octal. Easy number base conversion. Free online number converter.

Input Number

From Base

To Base

Result

101010

All Conversions

Binary (2)

0b101010

Octal (8)

0o52

Decimal (10)

Hexadecimal (16)

0x2A

Quick Examples

🔒 Fast, free math calculators that run in your browser. No uploads, 100% private.