Tables of Metric Conversions and Yarn Measurements

English	Metric
1 in.	2.54 cm
.39 in	1 cm
1 ft.	30.48 cm
1 yd. (3 ft.)	.91 m.
39.4 in.	1 m.
1 oz.	28 gr.
1 lb.	454 gr.
2.2 lb.	1 kg.

Worsted Wool Yarn Conversions

Size/Ply	=(560 x size)/ply	YPP
1s	(560 x 1)/1	560
16s	(560 x 16)/1	8960
16s2	(560 x 16)/2	4480

Cotton Yarn Conversions

Cotton Count
Size/Ply	=(840 x size)/ply	YPP
1	(840 x 1)/1	840
6/2	(840 x 6)/2	2520
8/2	(840 x 8)/2	3360
10/2	(840 x 10)/2	4200
12/2	(840 x 12)/2	5040
6/3	(840 x 6)/3	1680
8/4	(840 x 8)/4	1680
8/6	(840 x 8)/6	1120

Linen Yarn Conversion

Lea (Nel)	=(300 x lea)/ply	YPP	Nm	Tex
			meters/gram	gram wt. per 1000 m.
No. 1 Lea	(300 x 1)/1	300	.6 nm	1659 Tex
No. 4	(300 x 4)/1	1200	2.4 nm	420 Tex
No. 8	(300 x 8/1	2400	4.8 nm	165 Tex
No. 10	(300 x 10)/1	3000	6 nm	165 Tex
No.12	(300 x 12)/1	3600	7.2 nm	138 Tex
No. 16	(300 x 16)/1	4800	9.6 nm	103 Tex
No. 20	(300 x 20)/1	6000	12 nm	83 Tex

bamboo reed

Other Conversion Charts

Table of Setts

Crochet Hook Sizes
A table for conversion of crochet hook sizes: metric, US and UK.

Knitting Needles
A conversion table for UK, US and Metric knitting needles.

Reed Conversions
Table of metric and Imperial measurements for reed sizes.

Weaving Pattern Books

Rug Weaving Techniques: Beyond the Basics
Concise instructions and explanatory diagrams techniques for plain weave, twill and block weaves.
UK: Rug Weaving Techniques

The Woven Bag: 30+ Projects from Small Looms (Writers Digest Guides)
Each bag is created using small looms, such as potholder looms, frame looms and knotted mesh looms.
UK: The Woven Bag

Handwoven Laces
Hand weavers can use a loom to quickly produce lovely lacy fabrics. The loom-controlled textures depend upon groups of threads that work together and do not reveal their full effect until the cloth comes off the loom.

Hand weaving pattern books