Please Note: This article is written for users of the following Microsoft Excel versions: 97, 2000, 2002, and 2003. If you are using a later version (Excel 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Excel, click here: Numbers in Base 12.

# Numbers in Base 12

by Allen Wyatt
(last updated January 4, 2014)

For some professions or hobbies, it may be required to display information in "base 12." For instance, you may need to display the number of dozens of an item, followed by the number of singles of an item. If you had 15 items, for instance, you may want your display to be 1:03.

There are a couple of different ways to approach this problem. The first is to do the math and put together a string that represents the finished numbers. For instance, suppose the original number is in cell B7. In cell C9 you could place the following:

```=INT(B7/12) & ":" & RIGHT("00" & MOD(B7,12),2)
```

In this instance, if B7 contained the number 345, C9 would contain the string 28:09. If you would rather work with straight numbers, you can use the following formula in cell C9:

```=INT(B7/12)*100+MOD(B7,12)
```

In this case, cell C9 would contain 2809, which could be easily displayed in the final format by setting the custom number format for the cell as 0":"00.

Regardless of which approach you choose, you should know that you won't be able to use the results in any mathematical functions. The information displayed is done so solely for that purpose—display.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (2540) applies to Microsoft Excel 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Excel (Excel 2007 and later) here: Numbers in Base 12.

##### Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He  is president of Sharon Parq Associates, a computer and publishing services company. ...

##### MORE FROM ALLEN

Smart Quotes with Dragon Naturally Speaking

Dragon Naturally Speaking is a very popular transcription tool that converts speech into text. When using the program with ...

Discover More

Determining the Day of the Year

Need to find out the day of the year for a particular date? It's easy to do if you are using a macro. All you need to do is ...

Discover More

Checking for a Security Certificate

Although Word macro viruses haven't been commonly used for some time now, hackers often try old, known techniques just to see ...

Discover More

Program Successfully in Excel! John Walkenbach's name is synonymous with excellence in deciphering complex technical topics. With this comprehensive guide, "Mr. Spreadsheet" shows how to maximize your Excel experience using professional spreadsheet application development tips from his own personal bookshelf. Check out Excel 2013 Power Programming with VBA today!

Using the WEEKNUM Function

Need to know which week of the year a particular date falls within? Excel provides the WEEKNUM function so you can easily ...

Discover More

Converting to Octal

If you need to do some work in the base-8 numbering system (octal), you'll love two worksheet functions provided by Excel for ...

Discover More

Understanding Functions

The heart of any formula you put together in Excel is worksheet functions. This tip introduces you to worksheet functions and ...

Discover More
##### Subscribe

FREE SERVICE: Get tips like this every week in ExcelTips, a free productivity newsletter. Enter your address and click "Subscribe."

If you would like to add an image to your comment (not an avatar, but an image to help in making the point of your comment), include the characters [{fig}] in your comment text. Youâ€™ll be prompted to upload your image when you submit the comment. Images larger than 600px wide or 1000px tall will be reduced. Up to three images may be included in a comment. All images are subject to review. Commenting privileges may be curtailed if inappropriate images are posted.

What is nine minus 3?

2014-08-25 15:05:04

Eric Richards

95 in the top formula gives 7:11

=BASE(95;12;4)
gives 007B (B in Hexadecimal is 11)

##### This Site

Got a version of Excel that uses the menu interface (Excel 97, Excel 2000, Excel 2002, or Excel 2003)? This site is for you! If you use a later version of Excel, visit our ExcelTips site focusing on the ribbon interface.