knitting crochet conversion charts

US	Metric	Old UK
0	2mm	14
1	2.25mm	13
	2.5mm
2	2.75mm	12
	3mm	11
3	3.25mm	10
4	3.5mm
5	3.75mm	9
6	4mm	8
7	4.5mm	7
8	5mm	6
9	5.5mm	5
10	6mm	4
10 ½	6.5mm	3
	7mm	2
	7.5mm	1
11	8mm	0
13	9mm	00
15	10mm	000

Japanese Needle Sizes

0 = 2.1mm
1 = 2.4mm
2 =2.7mm
3 = 3.0mm
4 = 3.3mm
5 =3.6mm
6 = 3.9mm
7 = 4.2mm
8 = 4.5mm
9 = 4.8mm
10 = 5.1mm
11 = 5.4mm
12 = 5.7mm
13 = 6.0mm
14 = 6.3mm
15 = 6.6mm

Yarns

Australia/UK	US	Approximate Tensions
2 ply	lace weight
3 ply, 4 ply, 5 ply, jumper weight	fingering	32 – 26 sts to 4 inches (10cm)
8 ply, dk, double knit	sport weight – double knit	22 – 24 sts to 4 inches
10 ply, aran weight	worsted weight	20 sts to 4 inches
12 ply	worsted weight	16 – 18 sts to 4 inches
14 ply	bulky	14 sts to 4 inches

Steel Hook Chart (thread hooks)

Metric USA UK

.6 mm 14 6

.75 mm 13 -

.70 mm 12 5

.8 mm 11 -

1 mm 10 4

1.15 mm 9 -

1.25 mm 8 3

1.50 mm 7 2.5

1.6 mm 6 -

1.7 mm 5 -

1.75 mm 4 2

1.85 mm 3 -

1.95 mm 2 -

2 mm 1 1

2.25 mm 0 00

3 mm 00

Crochet terms

US UK

chain(ch) chain(ch)

single crochet (sc) double crochet (dc)

double crochet (dc) treble (tr)

half double crochet (hdc) half treble (htr)

triple crochet (trc) double treble (dtr)

slip stitch (sl st) slip stitch (sl st)

Crochet Hook Conversion Chart

Metric USA UK

2.00 mm - 14

2.25 mm 1 / B 13

2.50 mm - 12

2.75 mm C 11

3.00 mm - 11

3.25 mm D 10

3.50 mm 4 / E 9

3.75 mm F -

4.00 mm 6 8

4.25 mm G -

4.50 mm 7 7

5.00 mm 8 / H 6

5.50 mm 9 / I 5

6.00 mm 10 / J 4

6.50 mm 10 1/2 / K 3

7.00 mm - 2

8.00 mm - 0

9.00 mm 15 / N 00

10.00 mm P 000

15.75 mm or 16mm Q -

PDF

Needle conversion charts