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From: "Steve House" sjhouse at hotmail dot on 16 May 2008 05:49
The percent complete of a summary task is computed by adding the Actual
Durations of all its subtasks and dividing by the result by sum of the Total
Durations of all its subtasks (times 100 to convert decimal to percent).
The (effective) Actual Duration of the summary task is the computed %
Complete times the summary task duration.

Do use caution when recording progress by entering % Complete. Setting a
task 100% complete assumes it actually completed in the originally estimated
time. While this sometimes happens, more often than not the actual duration
it took to do the task will be different from the original estimate. So
record that properly, you need to either enter the Actual Start date, Actual
Duration worked, and set the Remaining Duration to zero, or enter the Actual
Start and Actual Finish dates. Now your
--
Steve House [Project MVP]
MS Project Trainer & Consultant
Visit http://project.mvps.org/faqs.htm for the FAQs
record of actual progress will correspond to physical reality.

"T�" <T(a)discussions.microsoft.com> wrote in message
news:177E7630-68FB-4799-A8AC-11E695EEC2F9(a)microsoft.com...
> When you say actual duration do you mean for that specific task or the
> overall project? And what do you mean by duration? The duration for the
> overall task is 57 days. The duration for this one task that is complete
> is
> 2 days.
>
> "Jack Dahlgren" wrote:
>
>> Percent complete for a task is actual duration divided by duration * 100
>> When you have a summary task I believe it sums all durations and actual
>> durations below it and uses that to calculate.
>>
>> -Jack Dahlgren
>>
>>
>> "Té" <T(a)discussions.microsoft.com> wrote in message
>> news:92996DF0-6600-41B6-969A-759413F2A729(a)microsoft.com...
>> > What numbers is it dividing by to get decimals?
>> >
>> > "Jack Dahlgren" wrote:
>> >
>> >> 57 is a prime number, It is likely that most numbers which you divide
>> >> by
>> >> it
>> >> will result in a non-integer.
>> >> Percent complete on a summary task is computed by the average percent
>> >> complete of the sub tasks.
>> >>
>> >> -Jack Dahlgren
>> >>
>> >> "Té" <T(a)discussions.microsoft.com> wrote in message
>> >> news:7DC461D9-219B-45BD-AC02-F957EE3BF5ED(a)microsoft.com...
>> >> >I am in table tracking on the task sheet. My total duration is 57
>> >> >days.
>> >> >I
>> >> > have 25 tasks all of them are incomplete. On task 4 I have
>> >> > completed
>> >> > the
>> >> > task 100%. The task was 4 days. Now my %complete is 8%, the actual
>> >> > duration
>> >> > is 4.3 days and the remaining duration is 52.7. Where are these
>> >> > decimals
>> >> > coming from? I entered 100% in the %complete cell. My total
>> >> > duration
>> >> > for
>> >> > this phase (research phase consists of 3 tasks) is 6 days. Please
>> >> > help!!!
>> >>
>> >>
>> >>
>>
>>
>>

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