10 min read
Sprint velocity: how to calculate it and use it
How to calculate sprint velocity on a worked example, forecast a release as a range, and avoid the mistakes that turn velocity into a bad KPI.
Estimation
8 articles in this category
7 min read
Agile estimation techniques for sprint planning
Planning Poker, T-Shirt Sizing, affinity mapping, or no estimates at all? A practical comparison of every estimation method used in sprint planning.
6 min read
Story points vs person-days: can you convert points to hours?
Story points measure relative effort, person-days measure time. Why a fixed points-to-hours rate fails, and how to forecast with velocity instead.
5 min read
Fibonacci vs T-Shirt Sizing: which method should you pick?
Two popular approaches, two different philosophies. Which one fits your team?
6 min read
What is a story point?
The mysterious unit of measurement in agile. Not an hour, not a day, not a kilogram… and yet everyone talks about it.
6 min read
Why use Fibonacci in agile?
0, 1, 2, 3, 5, 8, 13… The sequence that conquered both mathematics and sprint retrospectives.
6 min read
T-Shirt Sizing estimation: meaning, size chart and conversions
What T-shirt sizing means in agile and project management, an XS to XXL size chart, and how to convert sizes into story points or days.
5 min read
How to estimate an agile ticket: a step-by-step method
What to check before estimating a ticket, the criteria that make it bigger, a step-by-step method, and when to split it instead of voting again.
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