🔢

Number Base Converter

New

Convert decimal, binary, hex, octal numbers

1
Binary (Base 2)
All Number Base conversions
Decimal (Base 10)
1Copy
Binary (Base 2)
1Copy
Octal (Base 8)
1Copy
Hexadecimal (Base 16)
1Copy
Browser-based, files never uploaded Instant results Works on any device

How to use Number Base Converter

  1. 1Enter a number
  2. 2Choose source base (decimal, binary, hex, octal)
  3. 3See all base conversions

About this tool

Convert numbers between bases: decimal (base 10), binary (base 2), hexadecimal (base 16), octal (base 8), and any base 2–36.

number base converterdecimal to binarybinary to decimalhex to decimaloctal converter

Frequently asked questions

What is decimal 255 in hex?

255 in decimal = FF in hexadecimal.