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Beads per Inch Birthstone Color Chart Jumpring Outside Diameter to Inside Diameter Conversion Chart
Metal Sawing & Piercing Chart Millimeters to Inch Seed Bead Size Chart
Swarovski Stone Size Chart Units of Measure Wire Diameter Gauge
Beads per Inch Birthstone Color Chart Jumpring Outside Diameter to Inside Diameter Conversion Chart

Outside to Inside Diameter Conversion Chart

Wire Gauge

Outside Diameter (OD)

Inside Diameter (ID)

14g

8mm

4.74mm

10mm

6.74mm

16g

6mm

3.42mm

7mm

4.42mm

8mm

5.42mm

10mm

7.42mm

12mm

9.42mm

17g

6mm

3.7mm

7mm

4.7mm

8mm

5.7mm

8.5mm

6.2mm

18g

4.5mm

2.46mm

6mm

3.96mm

7mm

4.96mm

8mm

5.96mm

10mm

7.96mm

19g

4.3mm

2.476mm

6mm

4.176mm

7mm

5.176mm

20g

4mm

2.374mm

5mm

3.374mm

6mm

4.374mm

22g

5mm

3.714mm

Metal Sawing & Piercing Chart Millimeters to Inch Seed Bead Size Chart

B& S Metal Gauge

Ideal Blade Size

Drill Bit #

26 (0.4 mm)

8/0

80

24-26 (0.5-0.4 mm)

7/0, 6/0

80, 79

22-24 (0.6-0.5 mm)

5/0

78

22 (0.6 mm)

3/0

76

20-22 (0.8-0.6 mm)

2/0, 1/0

75, 73

18-20 (1.0-0.8 mm)

1/0, 2/0

71, 70

16-18 (1.3-1.0 mm)

3,4

68, 67

14-16 (1.6-1.3 mm)

5

65

12-16 (2.1-1.3 mm)

6

58

12-14 (2.1-1.6 mm)

7

57

12 (2.1 mm)

8

55

Millimeter to Inches

2mm

5/64"

16mm

5/8"

3mm

1/8"

18mm

3/4"

4mm

5/32"

20mm

25/32"

5mm

13/64"

22mm

7/8"

6mm

1/4"

25mm

1"

8mm

5/16"

28mm

1 1/18"

10mm

3/8"

30mm

1 1/4"

12mm

1/2"

35mm

1 3/8"

14mm

35/65"

40mm

15/8"

Seed Bead Size Chart

6/0

3.7mm

0.145"

7/0

3.4mm

0.134"

8/0

3.0mm

0.118"

9/0

2.6mm

0.102"

10/0

2.3mm

0.091"

11/0

2.2mm

0.087"

12/0

1.9mm

0.074"

14/0

1.6mm

0.063"

15/0

1.5mm

0.059"

Swarovski Stone Size Chart Units of Measure Wire Diameter Gauge

Units of Measure

Piece (PC)

1 Piece

Dozen (DZ)

12 Pieces

1/2 Gross

72 Pieces

Gross (GR)

144 Pieces

Pound (LB)

16 ounces, 453 grams

Mille (M)

1,000pieces

Mass

1,200 Pieces

Ounce (OZ)

1 ounce, 28.35 grams

Troy Ounce

31.1 grams

1 Meter

39.37 inches