The Rules of Scrum: Every Sprint is the Same Length

The Sprint is the fundamental unit of work when using Scrum.  Any product development effort using Scrum is, therefore, divided into Sprints.  Sprints are fixed in length so that the team has a predictable amount of time available to them to do work, which in turn assists in both short and long-term planning.  By making every Sprint the same length, the Scrum Team learns its own capacity for work.  If the Sprint length changes, the rhythm of Scrum is broken and a team will have to re-learn its capacity which usually takes at least a few Sprints.  If Sprints are rarely the same length, then the Scrum Team will struggle to do any reliable planning.

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One thought on “The Rules of Scrum: Every Sprint is the Same Length

  1. Makes totally sense. Otherwise you screw all efforts put into estimating story points or alike.
    On the other hand, you will encounter holidays or bank holidays. Which means they will alter your planning. In this case I preferred to change the sprint length, but made the team consider this shortage of days when accepting stories. This had the advantage that the meetings (review, retro, planning) will remain in the same slots and thus stay consistent – which is in some projects really important as stakeholders tend to be less flexible regarding their meeting calendars.
    Opinions welcome!

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