Sprint Velocity Calculator
Calculate and track agile sprint velocity for better sprint planning and forecasting. All processing runs in your browser.
About This Tool
The Sprint Velocity Calculator is a free, browser-based tool that helps agile teams measure and track their sprint velocity over time. Velocity -- the number of story points completed per sprint -- is one of the most important metrics in Scrum and agile project management because it enables realistic sprint planning and release forecasting.
Enter your past sprint data (sprint name and completed story points) and the tool instantly calculates key statistics: average velocity, median, range, and standard deviation. A visual bar chart shows your velocity trend across sprints, making it easy to spot improvements, dips, or instability in your throughput.
The forecasting feature uses your historical velocity to project how many story points your team can deliver over a configurable number of future sprints. Three scenarios are provided -- optimistic, expected, and conservative -- using mean velocity plus or minus one standard deviation, giving product owners and stakeholders a realistic range for release planning.
All processing runs entirely in your browser. No data is sent to any server, and no account or signup is required. Sprint history is saved to your browser's localStorage so you can return and update it over time without losing data.
This tool pairs well with the Meeting Cost Calculator for understanding the true cost of sprint ceremonies, the Pomodoro Timer for focused development work within sprints, and the Epoch Countdown for tracking sprint deadlines and release dates.
How to Use
- Enter a Sprint Name (e.g., "Sprint 12" or "Feb Week 1") in the name field. If left blank, the tool auto-generates a name.
- Enter the Completed Story Points for that sprint. Use whole or half-point values.
- Click Add or press Ctrl+Enter to add the sprint to your history.
- Repeat for each completed sprint. The tool automatically saves data to your browser's localStorage.
- Review the Velocity Trend bar chart to visualize your team's output over time. The dashed bar shows the overall average.
- Check the Statistics panel for mean, median, range, and standard deviation of your velocity.
- Use the Sprint Forecast section to predict total story points over a configurable number of future sprints, with optimistic, expected, and conservative estimates.
- Press Ctrl+Shift+C to copy a formatted velocity report to your clipboard for sharing with stakeholders.
Popular Sprint Velocity Guides
FAQ
Is my data safe when using this tool?
Yes. All calculations run entirely in your browser using JavaScript. No data is sent to any server. Sprint data is stored only in your browser's localStorage and never transmitted anywhere. You can clear it at any time.
What is sprint velocity?
Sprint velocity is the total number of story points completed by a team during a single sprint. It is used in agile methodologies (particularly Scrum) to measure throughput and predict how much work can be accomplished in future sprints.
How many sprints do I need for an accurate velocity?
A minimum of 3-5 sprints is generally recommended for a meaningful average. The more historical data you provide, the more accurate the forecasts become. Teams with highly variable velocity should use 8-10 sprints for reliable projections.
What does the standard deviation tell me?
Standard deviation measures how consistently your team delivers story points. A low standard deviation means your velocity is predictable (good for forecasting). A high standard deviation indicates significant variation between sprints, which makes planning less reliable.
Can I use this for Kanban or non-Scrum teams?
Yes. While the terminology uses 'sprint,' you can enter any time-boxed period's throughput. Kanban teams can use weekly or bi-weekly intervals and measure completed items or points.
How does the forecast work?
The forecast multiplies your average velocity by the number of future sprints. The optimistic estimate uses (mean + 1 standard deviation) and the conservative uses (mean - 1 standard deviation), giving you a realistic range rather than a single unreliable number.
Can I use keyboard shortcuts?
Yes. Press Ctrl+Enter to add a sprint to the history. Press Ctrl+Shift+C to copy the full velocity report to your clipboard.
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