To work out your ring size. There are 3 methods.
Method 1. The best and most reliable is to ask your local jeweller to measure your finger.
Method 2. Try on rings you already own, measure the diameter of the ring and use the ring chart below to help you make a decision. The definition of diameter and how to measure it can be found below.
Method 3.
1. Wrap a piece of string around the finger you intend to wear the ring on.
2. Mark where the ends of the string meet.
3. Measure the length of the string.
4. Match the length of string to the "Circumference" column in the chart below.
Now move across to the column named "Australian/UK Size". You're done.
Circumference (inches) |
Circumference (mm) |
Diameter (mm) |
U.S.A. size |
Australian/UK Size |
1 7/8 |
48 |
15.27 |
4 1/2 |
I - 1/2 |
1 15/16 |
49 |
15.7 |
5 |
J 1/2 |
2 |
51 |
16.1 |
5 1/2 |
L |
2 1/16 |
52 |
16.51 |
6 |
M |
2 1/8 |
53 |
16.92 |
6 1/2 |
N |
2 3/16 |
55 |
17.35 |
7 |
O |
2 1/4 |
56 |
17.75 |
7 1/2 |
P |
2 5/16 |
57 |
18.19 |
8 |
Q |
2 3/8 |
58 |
18.53 |
8 1/2 |
Q 1/2 |
2 7/16 |
59 |
18.89 |
9 |
R 1/2 |
2 1/2 |
61 |
19.41 |
9 1/2 |
S 1/2 |
2 9/16 |
62 |
19.84 |
10 |
T 1/2 |
2 5/8 |
63 |
20.2 |
10 1/2 |
U 1/2 |
2 11/16 |
65 |
20.68 |
11 |
V 1/2 |
2 3/4 |
66 |
21.08 |
11 1/2 |
W 1/2 |
2 13/16 |
68 |
21.49 |
12 |
Y |
2 7/8 |
69 |
21.89 |
12 1/2 |
Z |
2 15/16 |
70 |
22.33 |
13 |
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Definitions
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The circumference is the measurement around the inside of the ring band. This is the measurement you're taking in method 3.
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The diameter is the measurement across the ring. This is measured in a straight line from one point on the inside of the band, through the centre of the ring to the point on the opposite side. |
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