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Shopping Guide to Sizing Jewelry, Conversion Chart

Sizing: Conversion Chart

If you’re trying to convert jewelry sizes from AWG or imperial to metric (or vice-versa), check out the chart below.

American Wire Gauge / Imperial

Metric (millimeters)

Piercing Sizing

18g

1mm

18g (1mm)

16g

1.3mm

16g (1.2mm)

14g

1.6mm

14g (1.6mm)

12g

2.1mm

12g (2mm)

10g

2.6mm

10g (2.5mm)

8g

3.3mm

8g (3mm)

6g

4.1mm

6g (4mm)

4g

5.2mm

4g (5mm)

2g

6.5mm

2g (6mm)

1g

7.4mm

1g (7mm)

0g

8.3mm

0g (8mm)

00g

9.3mm

00g (9mm)

000g

10.4mm

000g (10mm)

7/16”

11.1mm

7/16″ (11mm)

½”

12.7mm

1/2″ (12.5mm)

9/16”

14.3mm

9/16″ (14mm)

⅝”

15.9mm

5/8″ (16mm)

11/16”

17.5mm

11/16″ (18mm)

¾”

19.1mm

3/4″ (19mm)

13/16”

20.6mm

13/16″ (20mm)

⅞”

22.2mm

7/8″ (22mm)

15/16”

23.8mm

15/16″ (24mm)

1”

25.4mm

1″ (25mm)

 

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