Ring Size (India) Circumference
Inches mm
1 1.61 40.8
2 1.66 42.1
3 1.69 43.0
4 1.73 44.0
5 1.77 44.9
6 1.81 45.9
7 1.86 47.1
8 1.89 48.1
9 1.93 49.0
10 1.97 50.0
11 2.00 50.9
12 2.04 51.8
13 2.08 52.8
14 2.13 54.0
15 2.16 55.0
16 2.20 55.9
17 2.24 56.9
18 2.28 57.8
19 2.33 59.1
20 2.36 60.0
21 2.40 60.9
22 2.44 61.9
23 2.47 62.8
24 2.51 63.8
25 2.55 64.7
26 2.60 66.0
27 2.63 66.9
28 2.67 67.9
29 2.72 69.1
30 2.76 70.1
Ring Size (India) Circumference
1 0.51 13.0
2 0.53 13.4
3 0.54 13.7
4 0.55 14.0
5 0.56 14.3
6 0.57 14.6
7 0.59 15.0
8 0.60 15.3
9 0.61 15.6
10 0.63 15.9
11 0.64 16.2
12 0.65 16.5
13 0.66 16.8
14 0.68 17.2
15 0.69 17.5
16 0.70 17.8
17 0.71 18.1
18 0.72 18.4
19 0.74 18.8
20 0.75 19.1
21 0.76 19.4
22 0.78 19.7
23 0.79 20.0
24 0.80 20.3
25 0.81 20.6
26 0.83 21.0
27 0.84 21.3
28 0.85 21.6
29 0.87 22.0
30 0.88 22.3

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