Size Conversion Info

1 mm = approximately 1/32"

2 mm = approximately 1/8"

3 mm = approximately 1/8"

4 mm = approximately 3/16"

5 mm = approximately 3/16"

6 mm = approximately 1/4"

7 mm = approximately 1/4"

8 mm = approximately 5/16"

9 mm = approximately 3/8"

10 mm = approximately 3/8"

11 mm = approximately 7/16"

12 mm = approximately 1/2"

13 mm = approximately 1/2"

14 mm = approximately 9/16"

15 mm = approximately 5/8"

16 mm = approximately 5/8"

17 mm = approximately 11/16"

18 mm = approximately 3/4"

19 mm = approximately 3/4"

20 mm = approximately 13/16"

For comparison:

Dime = 17mm

Penny = 19mm

Nickel = 21mm

Quarter = 24mm

Guide to metal colors

Here is a helpful guide of the different colors of various precious metals.

🌿 Note: I do not plate my White Gold so it will have a similar color like in the photo compared to Rhodium plated. My studio is free of hazardous chemicals and I prefer the color of natural White Gold. If a brighter White is desired most local jewelers will Rhodium plate for a fee.

Size Conversion Info

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Guide to metal colors