DEC2HEX 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 Dec2Hex function converts a decimal number into a Hexadecimal (Base 16) number.

Syntax: DEC2HEX( number, places )

Where the number argument is the decimal number that is to be converted to hexadecimal, and the places argument is the number of characters that you want the returned hexadecimal number to have. If this is greater than the minimum, the hexadecimal 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 hexadecimal number.


Dec2Hex Function Examples

The following spreadsheet shows examples of the Excel Dec2Hex function. The format of the functions are shown in the spreadsheet on the left and the results are shown in the spreadsheet on the right.

1 =DEC2HEX( 10 )
2 =DEC2HEX( 31 )
3 =DEC2HEX( 16, 10 )
4 =DEC2HEX( -16 )
5 =DEC2HEX( 273 )
1 A
2 1F   Result is   1*16 + 15
3 0000000010   Result is   1*16 + 0
4 FFFFFFFFF0   Result is   -16^9 + 15*16^8 + 15*16^7 + … + 15*16 + 0
5 111   Result is   1*16^2 + 1*16 + 1



Dec2Hex Function Common Errors

If you get an error from your Excel Dec2Hex 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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