RING SIZING CHART FOR MEASURING YOUR FINGER SIZE APPROPRIATELY
1. Here is chart that can also be considered in determining the appropriate ring size. It measures inside the diameter of such ring in millimeters. This is normally used for double checking your results from the usual paper method. Apart from this, you can also make use of the ring that you wear daily and cross check the same with below chart.
Ring Size (US & Canada)
Diameter
Inches
MM
0.5
0.474
11.95
0.75
0.482
12.18
1
0.487
12.37
1.25
0.496
12.6
1.5
0.503
12.78
1.75
0.512
13
2
0.52
13.21
2.25
0.528
13.41
2.5
0.536
13.61
2.75
0.544
13.83
3
0.553
14.05
3.125
0.557
14.15
3.25
0.561
14.25
3.375
0.565
14.36
3.5
0.569
14.45
3.625
0.573
14.56
3.75
0.577
14.65
4
0.585
14.86
4.25
0.592
15.04
4.5
0.601
15.27
4.625
0.606
15.4
4.75
0.611
15.53
5
0.618
15.7
5.125
0.622
15.8
5.25
0.626
15.9
5.375
0.63
16
5.5
0.634
16.1
5.75
0.642
16.3
5.875
0.646
16.41
6
0.65
16.51
6.25
0.658
16.71
6.5
0.666
16.92
6.75
0.674
17.13
7
0.683
17.35
7.25
0.687
17.45
Ring Size (US & Canada )
Diameter
Inches
MM
7.5
0.699
17.75
7.75
0.707
17.97
8
0.716
18.19
8.25
0.722
18.35
8.5
0.729
18.53
8.625
0.733
18.61
8.75
0.736
18.69
8.875
0.74
18.8
9
0.748
18.89
9.125
0.752
19.1
9.25
0.757
19.22
9.375
0.76
19.31
9.5
0.764
19.41
9.625
0.768
19.51
9.75
0.772
19.62
10
0.781
19.84
10.25
0.788
20.02
10.5
0.797
20.2
10.625
0.8
20.32
10.75
0.805
20.44
11
0.814
20.68
11.125
0.817
20.76
11.25
0.821
20.85
11.375
0.824
20.94
11.5
0.83
21.08
11.625
0.834
21.18
11.75
0.836
21.24
11.875
0.839
21.3
12
0.846
21.49
12.25
0.854
21.69
12.5
0.862
21.89
12.75
0.87
22.1
13
0.879
22.33
13.5
0.89
22.6
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