ALREADY HAVE A RING?
What you need : A measuring tape or a ruler and your favourite fitting ring
Method 1: Measure the diameter of your favorite ring
The easiest way to determine a ring size is by using a ring that fits you well and feels comfortable.
You can simply measure the inside diameter of this ring with a ruler, as shown in the picture above.
Method 2: Measure the circumference of your finger
Wrap measuring tape or string around the base of the finger.
Then write down the number of millimetres and compare your millimetre reading to our ring size chart to see which ring size is closest.
|
Inner
circumference
|
Inner
diameter
|
Approx.
UK size
|
Approx.
US size
|
|
55 mm
|
17,5 mm
|
O ½
|
7 ½
|
|
56 mm
|
17,8 mm
|
P ½
|
7 ¾
|
|
57 mm
|
18,1 mm
|
Q
|
8
|
|
58 mm
|
18,5 mm
|
Q ¾
|
8 ½
|
|
59 mm
|
18,8 mm
|
R ½
|
8 7/8
|
|
60 mm
|
19,1 mm
|
S
|
9 1/8
|
|
61 mm
|
19,4 mm
|
T
|
9 ½
|
|
62 mm
|
19,7 mm
|
T ½
|
10
|
|
63 mm
|
20,1 mm
|
U ½
|
10 ¼
|
|
64 mm
|
20,4 mm
|
V
|
10 5/8
|
|
65 mm
|
20,7 mm
|
W
|
11
|
|
66 mm
|
21,0 mm
|
X
|
11 ½
|
|
67 mm
|
21,3 mm
|
X ½
|
12
|
|
68 mm
|
21,6 mm
|
Y ½
|
12 ¼
|
|
69 mm
|
22,0 mm
|
Z ½
|
12 ½
|
|
70 mm
|
22,3 mm
|
Z+1
|
13
|
|
71 mm
|
22,6 mm
|
Z+2
|
13 ½
|
