Base Conversion

Introduction#

Excel gives functions that will assist in converting from decimal to one of binary, octal and hexadecimal, and back again.

Remarks#

Note that there are no leading 0 or 0x in the functions.

Base Conversion

with the number 100 in cell A1, the results of these calculations

=DEC2BIN(A1)
=DEC2OCT(A1)
=DEC2HEX(A1)
=BIN2DEC(A1)
=OCT2DEC(A1)
=HEX2DEC(A1)

is

1100100
144
64
       4
      64
     256

note that the first 3 functions are left justified, as they are strings, and the last 3 are right justified as they are numeric.