The yarn weights and gauges are (GENERALLY):
- Lace (8 sts/in - size 1 needles)
- Fingering/Sock (7 sts/in - size 2 needles)
- Sport (6 sts/in - size 4 needles)
- DK (5.5 sts/in - size 5 needles)
- Worsted (5 sts/in - size 7 needles)
- Aran (4.5 sts/in - size 8 needles)
- Bulky (3.5 sts/in - size 10.5 needles)
- Super-Bulky (2.5 sts/in - size 13 needles)
This graphic might also help you picture the different weights.
I give all the credit to:
Liat Gat
Your devoted video knitting teacher