Velocity Chart

What is a Velocity Chart?

Smartpedia: The Velocity Chart visualises as a bar chart the sum of the story points promised and realised per sprint. It helps to determine velocity and sprint planning.

Velocity Chart – the comparison of promised and realised story points

In Scrum, the speed of a team is given by the velocity. It is calculated as the average of the realised story points over several sprints. TThe Velocity Chart is a bar chart that shows the sum of committed and realised story points per sprint. It is a tool for determining velocity and sprint planning.

In sprint planning, the development team is committed to implementing defined user stories during the next sprint. The estimated effort of these user stories is often recorded in story points – some organisations work alternatively with hours, business value or number of tasks. The total number of story points is entered into the velocity chart with each new sprint. This display is supplemented at the end of a sprint – usually in the course of the sprint review – by the actually realised story points.

The Velocity Chart shows the following as a bar chart

  • the story points on the y-axis,
  • the sprints on the X-axis, and
  • the concrete story points per sprint promised by the team, and
  • the actually realised story points per sprint as bars.


Velocity Chart - comparison of promised and realised story points

Basically, velocity is a tool for measuring the speed of a team over a period of time. It is also a tool for planning future sprints. With the Velocity Chart, planning and reality can be easily compared. The velocity offset as the difference between promised and actual story points can also be seen very clearly. As a result, the Product Owner, the Scrum Master and the developers can discuss the reasons that contributed to the deviation – perhaps the planning was too optimistic or there were impediments – and try to learn from it in the next sprint planning.

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The term velocity does not appear in the current Scrum Guide 2020. Although it was not mentioned in the previous version of the Scrum Guide either, very many organisations use velocity as a tool for planning and risk control.

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