Using SharePoint Calculated Fields

Written By: Siddharth Mehta -- 10/14/2010 -- join -- contribute -- (3637) comments -- printer friendly version

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Categories: Configurations, Design, Features, MOSS 2007, SharePoint 2010, SharePoint Foundation 2010, WSS3


SharePoint is a great adhoc tool for storing data. Sometimes it is necessary to make automated calculations based on user inputs. Let's take a look at how to calculate the difference between two dates using SharePoint calculated columns.


SharePoint provides a Calculated Field feature which facilitates the automation of derived columns. You can have numeric calculations as well as manipulating text-based strings. This solution shows how to calculate the number of years between start and end dates of a list item.
  • Create a sample list containing information that uses two date fields. One such list can be seen in the screenshot below.

Let's see how to calculate the difference between the start date and end date columns. For that we need to define a calculated column.

  • Click on Settings -> Create Column, and provide a relevant name for the column.

Follow the three steps exactly as described and shown in the screenshot below.
  • Select "Calculated Column" as type of the field.

  • We will use the date difference function, DATEDIF, with start date and end date to get number of years. Place the formula exactly as shown for desired results.

  • Select "Number" as the data type of the calculated field

After implementing every step, press "OK" and go back to the library. Now you will be able to see the calculated column having results of the date differences between the start and end dates in years.

Next Steps

  • Use Calculated field to do various financial calculations.
  • Use Calculated columns to perform date and textual operations.
  • Return to MSSharepointTips to read about other topics and ideas.
  • Check out for great information about Microsoft SQL Server.

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