http://www.tothenew.com/blog/how-to-estimate-story-points-in-agile/
| Story Point | Effort | Time |
|---|---|---|
| 0 | Item has been implemented | 0 |
| 1 | Extra Small | 30 Minutes |
| 2 | Small | 1 Hour |
| 3 | Medium | 4 Hours |
| 5 | Large | 8 Hours |
| 8 | Extra Large | 24 Hours |
| 13 | Double Extra Large | 40 Hours |
| 21 | Huge | 120 Hours |