International Finger Sizes

U.S. Sizes
Finger Size ID mm ID inch
3 14.12 0.556
3.5 14.53 0.572
4 14.94 0.588
4.5 15.34 0.604
5 15.75 0.620
5.5 16.15 0.636
6 16.56 0.652
6.5 16.97 0.668
7 17.37 0.684
7.5 17.78 0.700
8 18.19 0.716
8.5 18.59 0.732
9 19.00 0.748
9.5 19.41 0.764
10 19.81 0.780
10.5 20.22 0.796
11 20.62 0.812
11.5 21.03 0.828
12 21.44 0.844
12.5 21.84 0.860
British Sizes
Finger Size ID mm ID inch
G 14.43 0.5680
H 14.82 0.5835
I 15.21 0.5990
J 15.61 0.6145
K 16.00 0.6300
L 16.40 0.6455
M 16.79 0.6610
N 17.18 0.6765
O 17.58 0.6920
P 17.97 0.7075
Q 18.36 0.7230
R 18.76 0.7385
S 19.15 0.7540
T 19.55 0.7695
U 19.94 0.7850
V 20.33 0.8005
W 20.73 0.8160
X 21.12 0.8315
Y 21.51 0.8470
Z 21.91 0.8625
EUROPEAN / NEW JapanESE Sizes
Finger Size ID mm ID inch
44 14.00 0.551
46 14.63 0.576
48 15.29 0.602
50 15.93 0.627
52 16.56 0.652
54 17.20 0.677
56 17.83 0.702
58 18.47 0.727
60 19.10 0.752
62 19.74 0.777
64 20.37 0.802
66 21.01 0.827
68 21.64 0.852
70 22.28 0.877
72 22.91 0.902
74 23.55 0.927
76 24.18 0.952
78 24.82 0.977
80 25.48 1.003
82 26.11 1.028
 
 

Need to know how these sizes compare internationally?

Check out our international finger sizing comparison charts.  These comparitive charts provide should allow you to avoid mistakes in developing PGM ring business in other countries.

Ring Sticks and Measuring Finger Sizes

Because their is no international standard for measuring ring sizes, the jewelry industry is prone to not calibrating measuring devices and teaching the principles of ring sizing incorrectly. Call Rochoet for a better understanding of the problems inherent in measuring finger sizes.