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Story Points

Size

Notes

0

XXS

If it takes more time to talk about the estimate than just do the work, then the item is 0.

1

XSHalf a person-day

providing an estimate is easier than doing the work but less than an hour or two. There is a minimal amount of uncertainty and complexity.

2

SOne person-day

more than just an hour or two in effort but less than day. a small amount of complexity and uncertainty.

3

M-Certain2 person-days

more than a day of effort but less than 1/2 a week. An average or moderate of uncertainty and complexity

5

M-Risky3 person-days

more that 1/2 a week in effort but less than a week. The level of uncertainty and complexity noticeably effects the completion time.

8

L5 person-days

More than a week effort but less than 2 weeks The level of uncertainty and complexity often results in not being able to complete this level of work within a single sprint.

13

XLOne person-sprint of effort

More than 2 weeks but less than 1 month. The level of uncertainty and complexity is significantly high and often results in changes to the work, or the creation of new issues.

21

Too big - needs to be broken down

More than a month effort but less than 3 months. The level of uncertainty is too high to proceed without additional research. The level of complexity is too great to assume that a feasible solution is available.