This article describes the formula syntax and usage of the OCT2HEX function in Microsoft Excel.
Description
Converts an octal number to hexadecimal.
Syntax
OCT2HEX(number, [places])
The OCT2HEX function syntax has the following arguments:
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Number Required. The octal number you want to convert. Number may not contain more than 10 octal characters (30 bits). The most significant bit of number is the sign bit. The remaining 29 bits are magnitude bits. Negative numbers are represented using two's-complement notation.
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Places Optional. The number of characters to use. If places is omitted, OCT2HEX uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros).
Remarks
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If number is negative, OCT2HEX ignores places and returns a 10-character hexadecimal number.
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If number is not a valid octal number, OCT2HEX returns the #NUM! error value.
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If OCT2HEX requires more than places characters, it returns the #NUM! error value.
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If places is not an integer, it is truncated.
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If places is nonnumeric, OCT2HEX returns the #VALUE! error value.
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If places is negative, OCT2HEX returns the #NUM! error value.
Example
Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.
| Formula | Description | R esult |
| =OCT2HEX(100, 4) | Converts octal number 100 to hexadecimal form with 4 characters. | 0040 |
| =OCT2HEX(7777777533) | Converts octal number 7777777533 to hexadecimal form. | FFFFFFFF5B |
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