38 responses

  1. pramod dwivedi
    May 5, 2012

    i am so much thank fully to you ,that you make it so simple to understand ,you are really great , thanks a lot

  2. PlannerTuts
    May 7, 2012

    Thanks for your comments Pramod!

  3. Mstafa
    May 9, 2012

    ?? ????
    ??? ?????
    Schedule % Complete(Act) = ( [Data Date] – [Baseline Start] ) / ( [Baseline Finish] – [Baseline Start] )
    ???? ????? ???? ??? ?? ?????? ?? ???? ????? ????? ???? ?????? ????

  4. Mostafa
    May 9, 2012

    This formula is true only when that the project does not have holiday

    Schedule % Complete(Act) = ( [Data Date] – [Baseline Start] ) / ( [Baseline Finish] – [Baseline Start]

  5. Mostafa
    May 9, 2012

    This formula always gives the correct answer

    Schedule % Complete (Act) = ([Data Date] – [Baseline Start] – Holly day) / ([Baseline Finish] – [Baseline Start] – Holly day=OD)

  6. Mostafa
    May 9, 2012

    I think scenario two is never possible
    take a sample please for me

  7. Nader Khorrami Rad
    May 10, 2012

    Dear Mostafa;

    Yes, it’s always the case in planning world: non-working times are not counted (as briefly discussed in Part 2 of this article).
    [Finish]-[Start]-[non-working-time] is not an appropriate syntax for it and [Finish]-[Start] is common. We actually define the “-“ operator in a way that does not count non-working times.

    [Baseline Finish] – [Baseline Start] is not always equal to Original Duration.

    When your activities’ costs are front loaded, you have the potential of having the second scenario. An extreme example: we have a WBS Element with three activities. All the activities start in day one and have at least two days baseline duration. Their costs are all in their start. Ok, what happens when we pass day 1? WBS Element’s Schedule % Complete would be 100%, but its activities are all less than 100%.

    Best wishes

  8. Phansuek Kulap
    June 6, 2012

    Big Thanks for your presentation; it’s so useful for planner.

  9. huda
    July 23, 2012

    Hi Nader
    Thank you for sharing your valuable knowledge, I am Looking for performance % but cant find it on your site, would you please send me te link.

    • Nader Khorrami Rad
      July 23, 2012

      Dear Huda,
      The Performance % Complete article will be published in near future. Please re-visit the site or subscribe to its feed to be informed of the new articles.
      - Nader

  10. Arun R
    August 20, 2012

    Great work. Getting lots of new things for learning. I am really happy today.

  11. Farooq
    October 3, 2012

    Good information about the glitches.

  12. Joey de Leon
    October 9, 2012


    Just wandering, if you have a compete e-books for the application of P6

    • PlannerTuts
      October 10, 2012

      Hi Joey, we have more ebooks in the works. But for now, feel free to peruse and print from our library of tutorials and articles.

    • Nader Khorrami Rad
      October 14, 2012

      No, not a complete one yet… just that short ebook about progresses.

  13. mustafa
    December 1, 2012

    Great Job Nader thanks for your very helpful tutorial

  14. srinivas
    January 2, 2013

    hi sir,
    can u please provide me how to find critical path and float in primavera p6?

  15. Michael Lepage
    January 7, 2013

    On the Gantt chart, all activities on the critical path are shown in red. Total float can be found for each activity on the “Status” tab of the activity, down in the bottom corner.
    Hope that helps!

  16. maged
    January 18, 2013

    Dear Sir,
    When i have a negative float in my time schedule how can i find the activity that make this negative float and solve this issue ?

  17. Nader Khorrami Rad
    January 18, 2013

    Dear Maged,
    You should look for hard constraints in the whole schedule.
    If you are using a fixed end schedule, having negative floats will not be a problem. However, if you are using a more common form of free-end schedule, you should avoid hard constraints completely.

  18. Satish
    February 6, 2013

    I wonder how you guys do that..!! the way you explain is simply amazing..!!

    Cheers mate

    thanks for the information

  19. Warren
    March 19, 2013

    Nice. I need to study more…

  20. Maged Eid
    March 25, 2013

    I ask about why there is a gap between the data date of any activity and it’s remaining early start when i make update? please inform me. Thanks alot

  21. Aladdin Fayoumi
    March 26, 2013

    Dear Sir,

    I’d like to thank you so much for your helpful information.
    But I face a problem when I do schedule for my updated schedule, the cash flow for the entire project change automatically at each update, which gives me a wrong schedule% to compare with performance or physical%.
    How could I keep my base cash flow fixed during all project period.


  22. Maged Eid
    March 27, 2013

    Dear Aladdin Fayoumi,

    I think when you make update ,the BAC. is not change but the actual and remaining budgeted cost is change due to update

  23. Nader Khorrami Rad
    April 1, 2013

    Dear Maged,
    It can have different reasons, such as:
    1. you’ve used retained logic rescheduling and a predecessor has moved the remaining of the activity to a later date, or
    2. there’s a none-working period between your data date and the earliest time for the remaining of the activity.
    Those were the two reasons I can think of right now.

  24. Nader Khorrami Rad
    April 1, 2013

    Dear Aladdin,
    You’re probably using the “current project” option as a baseline. You should save and assign a real baseline at the beginning, and those values will stay constant.

  25. Samer
    April 8, 2013


  26. Jefferson Enríquez
    June 18, 2013

    Dear Nader

    I have a question … I need to get my Schedule % complete with the curve of resource of activity … So I put a kind of curve with my own % curve, then I save the baseline and the I use in project baseline but when I upload to my data date, my activity that is duration type show me in Schedule % complete the % of the duration of the activity and I want the % of my curve of the resource. How can i get this percentage in my Schedule % complete?

    Thank you

  27. HB Brasos
    August 13, 2013

    I made a sample project in P6 and tried 1 activity with 20 days as the duration. I displayed the Total and the duration appeared as 15 (not 20). I tried to match the calendar used in the sample project with the entries at the User Preferences, the result was the same. I tried to make some adjustments with the Admin Preferences. User Preferences and Calendar still the durations for the activity and total are not the same. How can i solved this?
    Thanks a lot in advance.

  28. Abhay
    December 24, 2013

    i want 2 weeks lookahead programme in P6,my project data date is 11th March-11, but i want the activities of Dec-13 in 2weeks lookahead programme, so can anyone help me in getting the same

  29. Ahmed
    January 5, 2014

    Dear all,

    Actually I have a problem for the schedule percent complete, our consultant don’t get the same % on the WBS level.

    on activity level, we have the same schedule % complete, same cost, wbs total cost also same.

    Our WBS % complete is correct because manual calculation give the same value.

    So, Where is the problem? Why we haven’t the same value?

    Thank you in advance for your help.

    Best Regards.

  30. Michael Lepage
    January 8, 2014

    Schedule % Complete is based on the baseline assigned to the project. Do you have the same baselines and data date?

  31. Michael Lepage
    January 8, 2014
  32. Abrar
    January 28, 2014

    I am having negative lags in my schedule, what is the best way to calculate them to positive.

  33. Howard Kech
    April 10, 2014

    I have recently had to re-baseline my project as we had been delayed and were not able to complete as per contract finish. Without as baseline schedule % complete = (or at least should be) actual % complete. However my schedule % complete is still showing me higher than the actual giving me a variance when there shouldnt be.
    How do i make my actual schedule my baseline and keep the variance at zero so i can calculate the planned progress for the remaining works for the remainder of the project

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