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Size Charts » Bead Sizes

How Many Beads Per Inch:

Bead Size Per Inch 7″ 16″ 24″ 32″ 36″
3mm 8.25 57 132 200 265 288
4mm 6.25 43 100 150 200 225
5mm 5.00 35 82 124 160 180
6mm 4.25 28 67 100 132 153
7mm 3.50 24 57 85 114 126
8mm 3.25 22 50 75 100 112
10mm 2.50 18 40 60 80 90
12mm 2.00 15 33 50 66 72
14mm 1.75 13 29 43 56 63
16mm 1.50 11 25 38 50 54
18mm 1.25 10 23 34 45 50
20mm 1.20 8 20 29 38 43
Please note that it allows for the length of your clasp. If you use spacer beads or mix sizes, this chart may not be accurate.

Wire Gauge to Inches & Millimeters Conversion Chart:

Gauge Inches Millimeters
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

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