T-shirt estimation

by Jan 20, 2023

Don’t estimate unless you do it on a high level.

Use it for a roadmap. Use it as for relative size, not as time.

I don’t use the Fibonacci sequence anymore (1, 2, 3, 5, 8, 13, 20). It has too many values to choose from. Subconscious I still connect it with time, how hard I tried not to. It is also difficult to grasp for new people to a team. They are often confused how to score work using this.

My preferred way now is to use T-shirt sizes. People just ‘get’ this, they have experience using this measurement within their daily life. And for me, it doesn’t have any connection with time: it is just size. Relative size.

I try to only use S, M and L. So very high level and rough estimates. Occasionally a XS or XL slips in but try to stay away from it.

Remy van Duijkeren

Remy van Duijkeren

Power Platform Advisor

Microsoft Power Platform Advisor with over 25 years of experience in IT with a focus on (marketing) automation and integration.

Helping organizations with scaling their business by automating processes on the Power Platform (Dynamics 365).

Expert in Power Platform, Dynamics 365 (Marketing & Sales) and Azure Integration Services. Giving advice and strategy consultancy.

Services:
– Strategy and tactics advise
– Automating and integrating

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