Measuring Ring Diameter

Place a ring you are using on a ruler with millimeter measurements. Measure the largest area inside the ring (from the inside edge to the inside edge). This value is the size of your ring is the length of its diameter. You can choose the size corresponding to the diameter of your ring from the table above.

Measuring finger circumference

Wrap a string or paper around the finger on which you will wear the ring. For the most accurate result wrap it as a coil. Mark with a pencil where the two ends meet. Measure the marked length with a millimeter ruler. This value is the length of your finger is the length of the circumference. You can choose the size corresponding to the circumference of your finger from the table below.

HTML Table Generator
Finger Circumference (mm) Ring Diameter (mm) Ring Size
46 14,5  6 
47 15  7
48 15,25  8 
 49  15,50 9 
50 16  10 
51 16,25 11 
52 16,50  12 
 53  16,75 13 
54 17,25  14 
55  17,50  15
56  17,75  16 
57  18  17 
58  18,50  18 
59  18,75  19 
60  19  20 
61  19,25  21 
62  19,75  22 
63  20  23 
64   20,35 24 
65   20,70 25
66  21  26