﻿ BIN2OCT function

# BIN2OCT function

This article describes the formula syntax and usage of the BIN2OCTfunction in Microsoft Excel.

## Description

Converts a binary number to octal.

## Syntax

BIN2OCT(number, [places])

The BIN2OCT function syntax has the following arguments:

• Number    Required. The binary number you want to convert. Number cannot contain more than 10 characters (10 bits). The most significant bit of number is the sign bit. The remaining 9 bits are magnitude bits. Negative numbers are represented using two's-complement notation.

• Places    Optional. The number of characters to use. If places is omitted, BIN2OCT uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros).

## Remarks

• If number is not a valid binary number, or if number contains more than 10 characters (10 bits), BIN2OCT returns the #NUM! error value.

• If number is negative, BIN2OCT ignores places and returns a 10-character octal number.

• If BIN2OCT requires more than places characters, it returns the #NUM! error value.

• If places is not an integer, it is truncated.

• If places is nonnumeric, BIN2OCT returns the #VALUE! error value.

• If places is negative, BIN2OCT returns the #NUM! error value.

## Example

The example may be easier to understand if you copy it to a blank worksheet.

How do I copy an example?

Important   Do not select the row or column headers.

Selecting an example from Help

2. Press CTRL+C.

3. In Excel, create a blank workbook or worksheet.

4. In the worksheet, select cell A1, and press CTRL+V.

Important   For the example to work properly, you must paste it into cell A1 of the worksheet.

5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

After you copy the example to a blank worksheet, you can adapt it to suit your needs.

 1 2 3 4
 A B Formula Description (Result) =BIN2OCT(1001, 3) Converts binary 1001 to octal with 3 characters (011) =BIN2OCT(1100100) Converts binary 1100100 to octal (144) =BIN2OCT(1111111111) Converts binary 1111111111 to octal (7777777777)

Applies To: Excel 2010, Excel Starter, Excel Online, SharePoint Online

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