Size guide

Cut a strip of paper if you don't have calipers. You can also use a measuring tape. Wrap the string around your finger, mark where the stripe joins. Do not tighten the strip too hard when you wrap around your finger.
Bobby Janco Size Guide
Sizes Inside Diameter Inside Circumference
42 13,4 mm 42,13 mm 
44 14,0 mm 44,44 mm
46 14,5 mm 45,74 mm
48 15,3 mm 47,97 mm
50 15,9 mm 49,95 mm
52 16,5 mm 51,87 mm
54 17,2 mm 53,82 mm
56 17,8 mm 55,76 mm
58 18,5 mm 58,21 mm
60 19,2 mm 60,38 mm
62 19,8 mm 62,33 mm
64 20,4 mm 64,21 mm
66 21,0 mm 66,22 mm


If the ring falls between two sizes, order the larger size.