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Rolling 12 month total formula which will automatically change at new month

  1. #1
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    Rolling 12 month total formula which will automatically change at new month

    I would like to have an automated Excel formula that calculates the last 12 month and the previous time period 12 months. For example since we are now in July 2014, I want the June 2014-July 2013 period and in another cell the June 2013-July 2012 total. On the attached spreadsheet I have two products with their values and the columns of the months. Each product will need the current 12 months past and the last year 12 months.

    Thanks.
    Attached Files Attached Files

  2. #2
    Valued Forum Contributor Miroslav R.'s Avatar
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    Re: Rolling 12 month total formula which will automatically change at new month

    Hi there,

    check attached file:
    Rolling 12 Example.xlsx

    Last 12months (2013-2014) calculated in col A:
    Formula: copy to clipboard
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    and the other scenario for 2012-2013 is in col B:
    Formula: copy to clipboard
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    Booth are array formulas and they needs to be confirmed with Ctrl+Shift+Enter instead of Enter.

    Also I made small modification in Your formula in cell B2:
    Before:
    Formula: copy to clipboard
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    Now:
    Formula: copy to clipboard
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    Hope it helps!
    Regards
    Miroslav R.

    (If You like my solutions, feel free to add reputation.)

  3. #3
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    Re: Rolling 12 month total formula which will automatically change at new month

    Excellent. That is perfect.

  4. #4
    Valued Forum Contributor Miroslav R.'s Avatar
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    Re: Rolling 12 month total formula which will automatically change at new month

    You are welcome! ;-)

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