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Size Info

Nbeads Support
posted this on May 25, 2011 at 06:28 PM

  • Inches to Millimeters
    Inches Millimeters
    1/16 in. 1.5mm
    1/8 in. 3mm
    1/4 in 6mm
    3/8 in 9mm
    1/2 in 12mm
    5/8 in 15mm
    3/4 in 18.5mm
    7/8 in 22mm
    1 in 25mm

     

    Inches & Millimeters Comparison
    JewelryResource

    JewelryResource
    Please note that this is a close approximation. Screen resolution and monitor size will affect how you view the chart.

     

    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 and 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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