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id, title, tags, daily
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| 2026-02-04T09:00:00-0500 | 2026-02-04 09:00:00 |
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2026-02-04 |
2026-02-04 09:00:00
%% Exact time of writing unknown. Between 2026-02-04_08-07-00 and 2026-02-04_13-42-00 %%
T-Shirt Sizing
"T-shirt sizing" or "T-shirt size estimation" is a method of project estimation characterized by the use of T-shirt sizes representing project scale buckets.
[!example] T-Shirt Sizing in Agile --- Project Management Pathways
- XS (1-2 days): Simple UI changes or minor bug fixes
Example: "Update button color on checkout page"
- S (2-3 days): Feature enhancements with minimal complexity
Example: "Add product sorting by price"
- M (5-7 days): Features requiring moderate integration
Example: "Implement basic search filters"
- L (8-10 days): Complex features affecting multiple components
Example: "Create shopping cart functionality"
- XL (2+ weeks): Major features requiring breaking down
Example: "Implement payment gateway integration"
The buckets chosen should be wide enough that scale can be confidently estimated after minimal investigation.
This method, as an ordinal scale is criticized as error prone and unhelpful in how-to-measure-anything-in-project-management.