Beads Per Inch Chart
This chart shows you the approximate number of beads for various lengths.
(length of strand excludes clasp)
 |
1" | 4" | 8" | 12" | 16" | 20" | 24" | 28" | 32" |
2mm |
12.7 | 50.8 | 101.6 | 152.4 | 203.2 | 254 | 304.8 | 355.6 | 406.4 |
| 3mm | 8.47 | 33.87 | 67.73 | 101.6 | 135.47 | 169.33 | 203.2 | 237.07 | 270.93 |
4mm |
6.35 | 25.4 | 50.8 | 76.2 | 101.6 | 127 | 152.4 | 177.8 | 203.2 |
| 5mm | 5.08 | 20.32 | 40.64 | 60.96 | 81.28 | 101.6 | 121.92 | 142.24 | 162.56 |
6mm |
4.23 | 16.93 | 33.87 | 50.8 | 67.73 | 84.67 | 101.6 | 118.53 | 135.47 |
| 7mm | 3.63 | 14.51 | 29.03 | 43.54 | 58.06 | 72.57 | 87.09 | 101.6 | 116.11 |
8mm |
3.18 | 12.7 | 25.4 | 38.1 | 50.8 | 63.5 | 76.2 | 88.9 | 101.6 |
| 9mm | 2.82 | 11.29 | 22.58 | 33.87 | 45.16 | 56.44 | 67.73 | 79.02 | 90.31 |
10mm |
2.54 | 10.16 | 20.32 | 30.48 | 40.64 | 50.8 | 60.96 | 71.12 | 81.28 |
| 11mm | 2.31 | 9.24 | 18.47 | 27.71 | 36.95 | 46.18 | 55.42 | 64.65 | 73.89 |
12mm |
2.12 | 8.47 | 16.93 | 25.4 | 33.87 | 42.33 | 50.8 | 59.27 | 67.73 |
| 13mm | 1.95 | 7.82 | 15.63 | 23.45 | 31.26 | 39.08 | 46.89 | 54.71 | 62.52 |
14mm |
1.81 | 7.26 | 14.51 | 21.77 | 29.03 | 36.29 | 43.54 | 50.8 | 58.06 |
| 15mm | 1.69 | 6.77 | 13.55 | 20.32 | 27.09 | 33.87 | 40.64 | 47.41 | 54.19 |
16mm |
1.59 | 6.35 | 12.7 | 19.05 | 25.4 | 31.75 | 38.1 | 44.45 | 50.8 |
| 17mm | 1.49 | 5.98 | 11.95 | 17.93 | 23.91 | 29.88 | 35.86 | 41.84 | 47.81 |
| 18mm | 1.41 | 5.64 | 11.29 | 16.93 | 22.58 | 28.22 | 33.87 | 39.51 | 45.16 |
| 19mm | 1.34 | 5.35 | 10.69 | 16.04 | 21.39 | 26.74 | 32.08 | 37.43 | 42.78 |
| 20mm | 1.27 | 5.08 | 10.16 | 15.24 | 20.32 | 25.4 | 30.48 | 35.56 | 40.64 |
| 21mm | 1.21 | 4.84 | 9.68 | 14.51 | 19.35 | 24.19 | 29.03 | 33.87 | 38.7 |
| 22mm | 1.15 | 4.62 | 9.24 | 13.85 | 18.47 | 23.09 | 27.71 | 32.33 | 36.95 |
| 23mm | 1.1 | 4.42 | 8.83 | 13.25 | 17.67 | 22.09 | 26.5 | 30.92 | 35.34 |
| 24mm | 1.06 | 4.23 | 8.47 | 12.7 | 16.93 | 21.17 | 25.4 | 29.63 | 33.87 |
| 25mm | 1.02 | 4.06 | 8.13 | 12.19 | 16.26 | 20.32 | 24.38 | 28.45 | 32.51 |
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