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Excel BIN2OCT Function

The BIN2OCT function converts a binary number to an octal number.

bin2oct function 1


Syntax

=BIN2OCT (number, [places])


Arguments

  • Number (required):The binary number you want to convert to the octal equivalent.
  • Places (optional): The number of characters to represent the octal number.
    BIN2OCT pads the result with leading zeros to the specified number of places when necessary.
    If omitted, the minimum number of characters required is used.

Return value

The BIN2OCT function returns a numeric value.


Function notes

  1. Number and places, the two arguments in the BIN2OCT function, should be supplied as numeric values.
  2. If the supplied number argument is negative, the BIN2OCT function returns a 10-character hexadecimal number regardless of the places argument.
  3. If the supplied places argument is not an integer, it will be truncated.
  4. The #NUM! error value occurs if:
    • the supplied number argument is not recognized as a binary number or a numeric value.
    • the supplied number argument contains more than 10 characters.
    • the minimum number of characters required is greater than the supplied places argument.
    • the supplied places argument < 0 or > 10.
  5. The #VALUE! error value occurs if the supplied places argument is non-numeric.

Examples

Supposing, you want to convert the binary numbers in the table below to octal numbers. Please do as follows.

1. Copy the formula below into cell E5.

=BIN2OCT (C5)

2. Then drag the fill handle down to the cells you want to apply this formula too. The results are as the following screenshot shows.

bin2oct function 2

Notes:

  1. In the formula of Cell E5, the places argument is omitted and defaults to the minimum number of characters.
  2. We can directly input values in the two arguments in the formula. For example, the formula in cell E5 can be changed to:

    =BIN2OCT(1)

  3. If we need to set the places argument as 6, please copy the formula below into cell E5.

    =BIN2OCT (C5, 6)

    Then drag the fill handle down to the cells you want to apply this formula too. The results are as the following screenshot shows.

    bin2oct function 3

    We can see that when the supplied number argument is negative, BIN2OCT function always returns a 10-character result, ignoring the places argument.

Relative Functions:

  • Excel EVEN Function
    The EVEN function rounds numbers away from zero to the nearest even integer.

  • Excel EXP Function
    The EXP function returns the result of the constant e raised to the nth power.


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