This table gives some basic information on the different yarn weights such as approximate yardage and commonly used needles.
| Yarn Weight | Nm | Length per 100g skein | Needle Size | Needle Size | |
| (yards) | (metres) | (mm) | (US) | ||
| lace | 1/14 | 1530 | 1392 | - | - |
| heavy lace | 3/28 | 1030 | 937 | - | - |
| 4 ply | 2/14 | 770 | 701 | 2 - 2.75 | 0 - 1 |
| fingering | 3/14 | 510 | 464 | 3 - 3.75 | 3 - 5 |
| doubleknit (DK) | 4/14 | 380 | 346 | 3.75 - 4 | 5 - 6 |
| aran | 8/14 | 190 | 173 | 4.5 - 5 | 7 - 8 |
| chunky | 12/14 | 125 | 114 | 5 - 6 | 8 - 10 |