USA | UK | Australia - NZ |
Lace | 2 ply | 2 ply |
Sock or Fingering | 3 ply | 3 ply |
Fingering | 4 ply | 4 ply |
Sport | Some double knitting yarns | 5 ply |
Light Worsted | Double knitting | 8 ply |
Worsted | Aran | 10ply |
Chunky | Bulky | 16 ply |
Bulky | Chunky | 20 ply |