Size Chart for Rings

Size Chart

 Diameter Indian Standard US Standard
15.0mm 7 4
15.03mm 8 4.5
15.6mm 9 5
16mm 10/11 5.5
16.5mm 12 6
16.8mm 13 6.5
17.2mm 14 7
17.6mm 15/16 7.5
18.2mm 17 8
18.6mm 18/19 8.5
19.1mm 20 9
19.4mm 21 9.5
19.7mm 22 10
20mm 23/24 10.5
20.6mm 25 11
21.0mm 26 11.5
21.3mm 27 12