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Thread: help with calculate duration & round to nearest 1/4 hour

  1. #1

    help with calculate duration & round to nearest 1/4 hour

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    I'm trying to create one formula that calculates the duration between two fields and then round it to the nearest 1/4 hour.

    Right now I'm using two separate formulas in two separate columns and I want to consolodate my steps. For example:
    I'm calculating the duration between 2011-06-17 06:26:28 and 2011-06-17 06:46:28 using =($L2-$J2)
    then rounding it using =ROUND($k2-$m2)*96,0)/96 then rounding to the nearest 1/4 hour using =ROUND($M2*96,0)/96

    There has got to be a more efficient way to consolodate the calculation into one cell but I'm struggling. Any thoughts?


  2. #2
    Administrator Ken Puls's Avatar
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    Mar 2011
    Nanaimo, BC, Canada
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    Hi there, and welcome to the forum!

    I'd go with this: =MROUND((L2-J2)*24,0.25)

    If you enter that formula and get a #NAME? error though, it means you don't have the analaysis toolpack activated. To do this in Excel 2003 and earlier, you need to go to Tools-->Addins and check the box next to Analaysis Toolpack. It should be fine in Excel 2007+

    Be aware though, that if you email this file to someone, they should also have the analysis toolpack activated, or they'll get the same error. It's not a big deal, just follow the same steps and they'll be find. The analysis toolpack has shipped with Excel for years, but even with a full install it's never been activated by default (until Excel 2007).

    Hope this helps,
    Ken Puls, FCPA, FCMA, MS MVP

    Learn to Master Your Data at the Power Query Academy (the world's most comprehensive online Power Query training), with my book M is for Data Monkey, or our new Power Query Recipe cards!

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