The following chart will help you determine how large a piece of jewelry is, so you will better understand the dimensions of the piece you are looking to purchase. All measurements are approximate and may vary slightly from the manufacture. All gold weights are true:
1 mm = approximately 1/32" 21 mm = approximately 13/16"
2 mm = approximately 1/8" 22 mm = approximately 7/8"
3 mm = approximately 1/8" 23 mm = approximately 15/16"
4 mm = approximately 3/16" 24 mm = approximately 15/16"
5 mm = approximately 3/16" 25 mm = approximately 1"
6 mm = approximately 1/4" 26 mm = approximately 1"
7 mm = approximately 1/4" 27 mm = approximately 1 1/16"
8 mm = approximately 5/16" 28 mm = approximately 1 1/4"
9 mm = approximately 3/8" 29 mm = approximately 1 1/8"
10 mm = approximately 3/8" 30 mm = approximately 1 3/16"
11 mm = approximately 7/16" 31 mm = approximately 1 1/4"
12 mm = approximately 1/2" 32 mm = approximately 1 1/4"
13 mm = approximately 1/2" 33 mm = approximately 1 5/16"
14 mm = approximately 9/16" 34 mm = approximately 1 3/8"
15 mm = approximately 5/8" 35 mm = approximately 1 3/8"
16 mm = approximately 5/8" 36 mm = approximately 1 7/16"
17 mm = approximately 11/16" 37 mm = approximately 1 1/2"
18 mm = approximately 3/4" 38 mm = approximately 1 1/2"
19 mm = approximately 3/4" 39 mm = approximately 1 9/16"
20 mm = approximately 13/16" 40 mm = approximately 1 9/16"
For comparison purposes below are the diameter measurements of some common items:
