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Ring Size Chart

Ring Size Chart

To determine your ring size, do the following:

Use a piece of string or dental floss and wrap it around the base of your finger.
Use a pen to mark the point on the string where the end meets.
Use a millimeter ruler to measure the string.

Choose the closest measurement to the chart to find your ring size.

CONVERSION CHART UK

RING SIZE UK	DIAMETER (mm)

I	15.2 mm
I 1/2	15.4 mm
J	15.6 mm
J 1/2	15.8 mm
K	16.0 mm
K 1/2	16.1 mm
L	16.4 mm
L 1/2	16.6 mm
M	16.8 mm
M 1/2	17.0 mm
N	17.2 mm
N 1/2	17.4 mm
O	17.6 mm
O 1/2	17.8 mm
P	18.0 mm
P 1/2	18.2 mm
Q	18.4 mm
Q 1/2	18.6 mm
R	18.8 mm
R 1/2	19.0 mm
S	19.2 mm
S 1/2	19.4 mm
T	19.5 mm
T 1/2	19.7 mm
U	19.9 mm

CONVERSION CHART EUROPEAN

RING SIZE EUROPEAN	DIAMETER (mm)
48	15.3 mm
49	15.6 mm
50	15.9 mm
51	16.2 mm
52	16.6 mm
53	16.9 mm
54	17.2 mm
55	17.5 mm
56	17.8 mm
57	18.1 mm
58	18.5 mm
59	18.8 mm
60	19.1 mm
61	19.4 mm

CONVERSION CHART USA

RING SIZE USA	DIAMETER (mm)
5	15.6 mm
5 ½	16.0 mm
6	16.4 mm
6 ½	16.8 mm
7	17.2 mm
7 ½	17.6 mm
8	18.0 mm
8 ½	18.4 mm
9	19.2 mm