How to use story-points, velocity, and the cone of uncertainty to deliver in time

Albert Starreveld
7 min readDec 2, 2020

Estimating a story in hours is common practice. But often, estimations in hours prove not to be accurate. How much time it takes to complete a task depends on a lot of variables. There’s a better way. Estimating stories by size rather than the time needed to complete it, results in more reliable planning, and allows the team to respond when their pace slows down.

It’s easy to estimate the number of hours it takes to complete a task. Everybody can do it. It might even be the easiest way to…