I found an array of different definite standards while I was setting this up. I ended up not following any of them exactly, but aimed for a middle-of-the-road usefulness.
I have a PDF of this table at my Etsy shop.
Yarn Weight Name
|
m/100g
|
YPP (Yard per pound)
|
Nm
(m/g)
|
Ply/Count,
Woolen Measure
|
WPI - Wraps per inch
|
Gauge – Stockinette Stitches per
|
Knitting Needle Size
| ||||
Yarnstandards.com
|
UK, NZ, AU
|
1”
|
4”
|
US
|
Metric
|
UK
| |||||
Hamster Floss
|
1800
|
9000
|
18
|
1/60 -
1/56
|
60
|
20
|
80?
| ||||
0 : Lace
| |||||||||||
Cobweb
|
1200
|
6000
|
12
|
2/48 -
1/28
|
50
|
13
|
52
| ||||
0 : Lace
|
1 ply
| ||||||||||
Lace
|
560 -
1200
|
2800 -
6000
|
5.6 -
12
|
2/28 -
2/24
|
30 -
45
|
9 -
13
|
36 - 52
|
000 -
1
|
1.5 -
2.5
|
17 -
13
| |
0 : Lace
|
2 ply
| ||||||||||
Baby
|
420 -
580
|
2100 -
2900
|
4.2 -
5.8
|
3/28 -
2/20
|
21 -
29
|
7.5 -
9
|
30 - 36
|
1 -
2
|
2.25 -
3
|
13 -
11
| |
0 : Lace
|
3 ply
| ||||||||||
Fingering, Sock
|
320 -
460
|
1600 -
2300
|
3.2 -
4.6
|
2/16 -
4/28
|
19 -
22
|
6.5 - 7.5
|
26 - 30
|
1 -
3
|
2.25 - 3.25
|
13 -
10
| |
1 : Super Fine
|
4 ply
| ||||||||||
Sport
|
260 -
340
|
1300 -
1700
|
2.6 -
3.4
|
2/12 -
5/28 |
15 -
18
|
5.75 - 6.5
|
23 - 16
|
3 -
5
|
3.25 -
3.75
|
10 -
9
| |
2 : Fine
|
5 ply
| ||||||||||
DK
|
200 -
280
|
1000 -
1400
|
2 -
2.8
|
2/10 -
6/28 |
12 -
14
|
5.25 - 5.75
|
21 - 23
|
5 -
7
|
3.75 -
4.5 |
9 -
7
| |
3 : Light
|
8 ply
| ||||||||||
Worsted
|
180 -
220
|
900 -
1100
|
2.8 -
2.2
|
3/12 -
8/28
|
9 -
11
|
4.75 - 5.25
|
19 - 21
|
7 -
9
|
4.5 -
5.5 |
7 -
5
| |
4 : Medium
|
10 ply
| ||||||||||
Aran
|
160 -
200
|
800 -
1000
|
2.6 -
2
|
9/28 -
3/10 |
8 -
10
|
4 - 4.75
|
19 - 21
|
8 -
10
|
5 -
6
|
6 -
4
| |
4 : Medium
|
12 ply
| ||||||||||
Bulky, Chunky
|
80 -
160
|
400 -
800
|
0.8 -
1.6
|
10/28 -
3/8
|
7 -
8
|
3 -
4
|
12 - 16
|
9 -
11
|
5.5 -
8
|
5 -
0
| |
5 : Bulky
| |||||||||||
Super Bulky
|
80
|
400
|
0.8
|
4/6
|
6
|
2.75
|
11
|
13+
|
8+
|
00
| |
6 : Super Bulky
|