DEC2OCT Function

Basic Description

Hexadecimal (base 16), decimal (base 10), octal (base 8), and binary (base 2) are the most commonly used numeral systems in engineering and computing. Therefore, Excel has provided functions to convert numeric values to and from each of these systems. The Excel Dec2Oct function converts a decimal number into an Octal (Base 8) number.

Syntax: DEC2OCT( number, places )

Where the number argument is the decimal number that is to be converted to octal, and the places argument is the number of characters that you want the returned octal number to have. If this is greater than the minimum, the octal number will be padded out using leading zeros. If the places argument is omitted, then by default, the minimum number of places is used in the returned octal number.


Dec2Oct Function Examples

The following spreadsheet shows examples of the Excel Dec2Oct function. The format of the function is shown in the spreadsheet on the left and the result is shown in the spreadsheet on the right.

1 =DEC2OCT( 8 )
2 =DEC2OCT( 18 )
3 =DEC2OCT( 8, 10 )
4 =DEC2OCT( -8 )
5 =DEC2OCT( 237 )
1 10   Result is   1*8 + 0
2 22   Result is   2*8 + 2
3 0000000010   Result is   1*8 + 0
4 7777777770   Result is   -8^9 + 7*8^8 + 7*8^7 + … + 7*8 + 0
5 355   Result is   3*8^2 + 5*8 + 5



Dec2Oct Function Common Errors

If you get an error from your Excel Dec2Oct function this is likely to be one of the following :

#VALUE! Occurs if either the supplied number argument or the supplied places argument is not numeric.
#NUM! Occurs if the supplied places argument ≤ 0.
#NAME? Occurs when Analysis ToolPak add-in is not enabled in your Excel.

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