Individual Capacity Calculator
From the Drunken PM Blog
by Dave Prior
Drunken Boxing for Project Managers
“The main feature of the drunkard boxing is to hide combative hits in drunkard-like, unsteady movements and actions so as to confuse the opponent. The secret of this style of boxing is maintaining a clear mind while giving a drunken appearance.”
Yeah... just like that… but with network diagrams and burndown charts… and a wee bit less vodka.
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Date
Note: The link to the file has been updated. It can be found here. (3-4-13)
(This is an update to my 10/28/12 post on How to Avoid Overcommitment During Sprint Planning. )
For awhile now I have been using an excel spreadsheet I put together to work out the calculations I detailed in the post on avoiding overcommitment. I have also been sharing it with the students in my CSM classes. I recently updated it so that the times allocated for the different Scrum meetings is in sync with the current version of the Scrum Guide and I thought it would be a good idea to post here just in case it can be of help to anyone.
In case you missed the earlier post, the intention of this calculator is to help individual team members on a Scrum Team gain a better (more true) understanding of the amount of time the can realistically commit/forecast to be able to contribute to the work the team will do during a Sprint. I have found this to be very helpful for teams who are struggling with understanding their capacity.
An example of how this could be used in s Sprint Planning is...
1. Once a Scrum Team has forecasted the amount of Story Points it can expect to get through during a given Sprint based on average historical velocity.
2. And defined tasks for all the stories.
3. And estimated the ideal engineering hours required to complete each individual task.
4. And totalled up the collective ideal engineering hours required to complete all the work they are forecasting to complete in the Sprint.
5. Each team member can use this calculator to determine how much time he/she can expect to be able to contribute in the Sprint.
6. Once each team member has come up with his/her number, you would total those up to get the total amount of ideal engineering hours the Team expects to be able to working during the Sprint.
7. If the value resulting from Step 4 is greater than the value from Step 6, then you may need to reconsider the amount of work your team is forecasting to complete in the Sprint, or modify the scope (and tasks) for one of the stories.
8. If the value resulting from Step 4 is significantly less than the value resulting from Step 6, you may need to consider adding some additional stories/work into what is being forecasted for the Sprint.
* Some teams I have worked with have taken the additional step of applying this technique by work type within a Sprint, i.e. Development, QA, UX, etc.

Posted on: February 19, 2013 02:31 AM |
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Comments (3)
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Chuck Blevins
Experienced Project Management Leader| Consultant
Mission Viejo, Ca, United States
Hey, Dave.
Thanks for this post. I was unable to retrieve your Excel file from the link, however. Help?
Thanks again.
Dave Prior
Trainer/Consultant| LeadingAgile
New York, Ny, United States
Hi, I just tested it again - seems to be working fine. The download is from Mega. Here is a direct link: https://mega.co.nz/#!sowHiZoC!KplgCGZzPaqr9SxaBxGXVgOv3TJzQYXkwJhpoFDFnVo
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