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Conversion Tables and Other Useful Things

TO CONVERT

inches to millimetres multiply the inches by 25.4

inches to metres multiply the inches by 0.0254

yards to meters multiply the yards by 0.9144

millimetres to inches multiply the millimetres by 0.03937 (note that you will get a decimal answer!)

metres to inches multiply the metres by 39.37 (note that you will get a decimal answer!)

INCHES AND MILLIMETRES CONVERSION CHART

1 inch = 25.4mm 1 foot = 304.8mm 1 yard = 914.4mm
Inches	Millimetres
1/32	0.79
1/16	1.59
3/32	2.38
1/8	3.18
5/32	3.97
3/16	4.76
7/32	5.56
1/4	6.35
9/32	7.14
5/16	7.94
11/32	8.73
3/8	9.53
13/32	10.32
7/16	11.11
15/32	11.91
1/2	12.70
17/32	13.49
9/16	14.29
19/32	15.08
5/8	15.88
21/32	16.67
11/16	17.46
23/32	18.26
3/4	19.05
25/32	19.84
13/16	20.64
27/32	21.43
7/8	22.23
29/32	23.02
15/16	23.81
31/32	24.61
1	25.40

WIRE GAUGES & HEADPIN THICKNESS CONVERSION CHART

Gauge	Inches	Millimetres
10	0.102	2.59
11	0.091	2.31
12	0.081	2.06
13	0.072	1.83
14	0.064	1.63
15	0.057	1.45
16	0.052	1.32
17	0.045	1.14
18	0.04	1.02
19	0.036	0.91
20	0.032	0.81
21	0.028	0.71
22	0.025	0.64
23	0.023	0.58
24	0.02	0.51
25	0.0179	0.455
26	0.0159	0.404
27	0.0142	0.361
28	0.0126	0.32
29	0.0113	0.287
30	0.01	0.25
31	0.0089	0.226
32	0.008	0.2
33	0.0071	0.18
34	0.0063	0.16
35	0.0056	0.142
36	0.005	0.13
37	0.0045	0.114
38	0.004	0.1

HOW MANY BEADS WILL I NEED TO MAKE................?

	length of string / bracelet / necklace
BEAD SIZE	1"	7"	16"	18"
3mm	8.3	58	132	148
4mm	6.3	44	100	113
5mm	5.1	36	82	92
6mm	4.2	29	68	76
8mm	3.2	22	51	57
12mm	2.5	18	40	45