Binary, Ternary, Octal & Hexadecimal Converter

Convert to and from Bin, Oct, Dec, Hex & other numeral systems

This script converts numbers from decimal system (base/radix 10) to other positional systems and vice versa:

  • Binary (base 2, bin, bit)
  • Ternary (base 3, trit)
  • Quaternary (base 4)
  • Octal (base 8, oct)
  • Duodecimal (base 12)
  • Hexadecimal (base 16, hex, nibble)
  • Vigesimal (base 20, where I=18)
  • Base 36

This tool will autodetect C/Java hex numbers starting with '0x' and binary numbers starting with '0b'.

The script can only convert positive integers (whole numbers).




Date and Time
Week numbers
Weeks by year
Day numbers
Days by year
Years/leap years
Calculate difference
   between two dates

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