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Old 04-19-2012, 11:27 AM
Pmacdaddy Pmacdaddy is offline Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Windows 7 64bit Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Office 2010 64bit
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Default Roll-Up Duration: Changing Units of Measure & Also Accuracy Of

See attached file for example of my problem.
I have a simple project which has four sub-tasks performed in series (F-to-S). If you manually add up the time required by each you get 11.5 months, yet the summmary bar rolls this up as only 230 days.


Question #1: 230 days does NOT equal 11.5 months.... How is MS Project calculating the number of days from the Summary bar? Is this possibly the difference between working days (5/week) vs. Calendar months?
Question #2: How do I change the units of measure for the Summary bar FROM days TO months?
Thanks!
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Old 04-19-2012, 01:51 PM
JulieS JulieS is offline Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Windows 7 64bit Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Office 2010 32bit
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Hi,

Duration is always the measure of working time and the standard definition (File > Options, Schedule) of a "month" in Project is 20 working days.

To change so the summary tasks show "mon" File > Options, Schedule - Duration is entered in - change from days to months.

That being said -- I wouldn't :-)
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Old 04-20-2012, 06:49 AM
Pmacdaddy Pmacdaddy is offline Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Windows 7 64bit Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Office 2010 64bit
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Thanks - that was helpful and worked - just what I needed!
The reason why I need to change the Duration to "months", and to help you understand my perspective, the Master Schedule I'm developing will be used in a proposal in response to a Request For Quotes (RFQ).
I need the Master Schedule to be EASILY interpreted by people unknown to me who will read it. If they have to stop and try to figure out why the # of Days doesn't jive with the # of months then I've lost before I even got started......
My effort with the Master Schedule is to show a high-level Program Plan and an estimate of how long the entire project will take.
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Old 04-20-2012, 07:13 AM
JulieS JulieS is offline Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Windows 7 64bit Roll-Up Duration: Changing Units of Measure & Also Accuracy Of Office 2010 32bit
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You're most welcome and thanks for the feedback. I understand completely the issue of interpretation of duration. I find that discussing dates is much more understandable to most non-project folk. If you are going to discuss duration, yes -- you need to clearly define what you mean -- for example 10 days is 10 business days.
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