WKIT

Number Base Converter

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

Number Base Converter
Convert numbers between decimal, binary, octal, and hexadecimal
0b
0o
0x
Quick Reference
DecimalBinaryHexadecimal
000
111
25511111111FF
256100000000100
102410000000000400
655351111111111111111FFFF
Conversion Tips
  • Binary (base 2): Uses only 0 and 1. Common prefix: 0b
  • Octal (base 8): Uses digits 0-7. Common prefix: 0o
  • Decimal (base 10): Standard number system (0-9)
  • Hexadecimal (base 16): Uses 0-9 and A-F. Common prefix: 0x

Tip: Type in any field and all other bases update automatically.