Search…

Ring Size Guide

Ring Size Guide

Not sure what size ring you should buy? Check out our ring size guide below to make sure your new ring fits perfectly.

US UK &
Ireland
Diameter(mm) Circumference(mm)
0 11.63 36.5
¼ 11.84 37.2
½ A 12.04 37.8
¾ 12.24 38.5
1 B 12.45 39.1
12.65 39.7
C 12.85 40.4
13.06 41
2 D 13.26 41.7
13.46 42.3
E 13.67 42.9
13.87 43.6
3 F 14.07 44.2
14.27 44.8
G 14.48 45.5
14.68 46.1
4 H 14.88 46.8
15.09 47.4
I 15.29 48
J 15.49 48.7
5 15.7 49.3
K 15.9 50
16.1 50.6
L 16.31 51.2
6 16.51 51.9
M 16.71 52.5
16.92 53.1
N 17.12 53.8
7 17.32 54.4
O 17.53 55.1
17.73 55.7
P 17.93 56.3
8 18.14 57
Q 18.34 57.6
18.54 58.3
R 18.75 58.9
9 18.95 59.5
S 19.15 60.2
19.35 60.8
T 19.56 61.4
10 19.76 62.1
10¼ U 19.96 62.7
10½ 20.17 63.4
10¾ V 20.37 64
11 20.57 64.6
11¼ W 20.78 65.3
11½ 20.98 65.9
11¾ X 21.18 66.6
12 21.39 67.2
12¼ Y 21.59 67.8
12½ Z 21.79 68.5
12¾ 22 69.1
13 22.2 69.7
13¼ Z1 22.4 70.4
13½ 22.61 71
13¾ Z2 22.81 71.7
14 Z3 23.01 72.3
14¼ 23.22 72.9
14½ Z4 23.42 73.6
14¾ 23.62 74.2
15 23.83 74.8
15¼ 24.03 75.5
15½ 24.23 76.1
15¾ 24.43 76.8
16 24.64 77.4

About Celtic Designs Jewelry

since 1950, forging the way in Celtic jewelry design

Making jewelry is in our blood. Celtic jewelry is our passion and our history is built on innovating beautiful designs and quality jewelry for our customers.