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Ring Size Guide

In order to get started with your order, we’ll need to know the UK ring size that you would like your ring/s made in. The chart below will help if you’re converting from a different country’s ring measurement system or from actual measurements.

Before ordering we recommend that you have your finger/s measured at a local jewellers, ideally trying on a ring that is the same width as the size you intend to order, as the width of a ring can affect the way it fits over your knuckle, and therefore the size that you need. Definitely try to avoid working out ring size by using very narrow measuring ring sets, which can be either metal or plastic, as these only give you a ballpark size and aren’t accurate enough. They’re also normally much narrower than the rings to be ordered. Bits of string and rulers to measure existing rings doesn’t tend to get close enough either!



RING Inside diameter (mm) RING Inside circumference (mm) United Kingdom    Australia Ireland and NZ ISO standard                     Europe United States                     & Mexico Switzerland Italy Spain Asia
11.618 36.5     0       
11.821 37.1375      1/4    
12.024 37.775      1/2    
12.026 37.78 A        
12.225 38.405 A 1/2        
12.227 38.4125      3/4    
12.424 39.03 B        
12.43 39.05     1       
12.626 39.655 B 1/2        
12.633 39.6875     1 1/4    
12.732 40   40   0  
12.822 40.28 C        
12.836 40.325     1 1/2    
13 40.841         1
13.02 40.905 C 1/2        
13.039 40.9625     1 3/4    
13.051 41   41   1  
13.219 41.53 D        
13.242 41.6     2       
13.333 41.887         2
13.369 42   42   2  
13.418 42.155 D 1/2        
13.445 42.2375     2 1/4    
13.617 42.78 E        
13.648 42.875     2 1/2    
13.667 42.936         3
13.687 43   43   3  
13.816 43.405 E 1/2        
13.85 43.5125     2 3/4    
14 43.982         4
14.006 44   44   4  
14.015 44.03 F        
14.053 44.15     3       
14.214 44.655 F 1/2        
14.256 44.7875     3 1/4    
14.324 45   45   5  
14.333 45.028         5
14.413 45.28 G        
14.459 45.425     3 1/2    
14.612 45.905 G 1/2        
14.642 46   46   6  
14.662 46.0625     3 3/4    
14.667 46.078         6
14.811 46.53 H        
14.865 46.7     4    
14.961 47   47   7  
15 47.124         7
15.01 47.155 H 1/2        
15.068 47.3375     4  1/4    
15.209 47.78 I        
15.271 47.975     4 1/2    
15.279 48   48   8  
15.333 48.17         8
15.408 48.405 I 1/2        
15.474 48.6125     4 3/4    
15.597 49   49   9  
15.607 49.03 J        
15.667 49.219         9
15.677 49.25     5    
15.806 49.655 J 1/2        
15.88 49.8875     5 1/4    
15.915 50   50   10  
16 50.265         10
16.005 50.28 K        
16.083 50.525     5 1/2    
16.204 50.905 K 1/2        
16.234 51   51   11  
16.286 51.1625     5 3/4    
16.333 51.312         11
16.403 51.53 L        
16.488 51.8     6    
16.552 52   52   12  
16.601 52.155 L 1/2        
16.667 52.361         12
16.691 52.4375     6 1/4    
16.8 52.78 M        
16.87 53   53   13  
16.894 53.075     6 1/2    
16.999 53.405 M 1/2        
17 53.407         13
17.097 53.7125     6 3/4    
17.189 54   54   14  
17.198 54.03 N        
17.3 54.35     7    
17.333 54.453         14
17.4 54.655 N 1/2        
17.503 54.9875     7 1/4    
17.507 55   55   15  
17.596 55.28 O        
17.667 55.503         15
17.706 55.625     7 1/2    
17.795 55.905 O 1/2        
17.825 56   56   16  
17.909 56.2625     7 3/4    
17.994 56.53 P        
18 56.549         16
18.112 56.9     8    
18.144 57   57   17  
18.193 57.155 P 1/2        
18.315 57.5375     8 1/4    
18.333 57.595         17
18.392 57.78 Q        
18.462 58   58   18  
18.518 58.175     8 1/2    
18.591 58.405 Q 1/2        
18.667 58.644         18
18.721 58.8125     8 3/4    
18.78 59   59   19  
18.79 59.03 R        
18.924 59.45     9    
18.989 59.655 R 1/2        
19 59.69         19
19.099 60   60   20  
19.126 60.0875     9 1/4    
19.188 60.28 S        
19.329 60.725     9 1/2    
19.333 60.736         20
19.387 60.905 S 1/2        
19.417 61   61   21  
19.532 61.3625     9 3/4    
19.586 61.53 T        
19.667 61.786         21
19.735 62   62 10 22  
19.785 62.155 T 1/2        
19.938 62.6375     10 1/4    
19.983 62.78 U        
20 62.832         22
20.054 63   63   23  
20.141 63.275     10 1/2    
20.182 63.405 U 1/2        
20.333 63.878         23
20.344 63.9125     10 3/4    
20.372 64   64   24  
20.381 64.03 V        
20.547 64.55     11    
20.58 64.655 V 1/2        
20.667 64.927         24
20.69 65   65   25  
20.75 65.1875     11 1/4    
20.779 65.28 W        
20.953 65.825     11 1/2    
20.978 65.905 W 1/2        
21 65.973         25
21.008 66   66   26  
21.156 66.4625     11 3/4    
21.177 66.53 X        
21.327 67   67   27  
21.333 67.02         26
21.359 67.1     12    
21.376 67.155 X 1/2        
21.562 67.7375     12 1/4    
21.575 67.78 Y        
21.645 68   68   28  
21.667 68.069         27
21.764 68.375     12 1/2    
21.774 68.405 Y 1/2        
21.963 69   69   29  
21.967 69.0125     12 3/4    
21.973 69.03 Z        
22.17 69.65     13    
22.175 69.655 Z 1/2        
22.282 70   70   30  
22.371 70.28 Z1        
22.373 70.2875     13 1/4    
22.57 70.905 Z1 1/2        
22.575 70.92     13 1/2    
22.6 71   71   31  
22.769 71.53 Z2        
22.777 71.5575     13 3/4    
22.918 72   72   32  
22.968 72.155 Z2 1/2        
22.98 72.195     14    
23.167 72.78 Z3        
23.183 72.8325     14 1/4    
23.237 73   73   33  
23.366 73.405 Z3 1/2        
23.386 73.47     14 1/2    
23.555 74   74   34  
23.564 74.03 Z4        
23.589 74.1075     14 3/4    
23.767 74.665 Z4 1/2        
23.792 74.745     15    
23.873 75   75   35  
23.966 75.29 Z5        
23.995 75.3825     15 1/4    
24.164 75.915 Z 5 1/2        
24.192 76   76   36  
24.198 76.02     15 1/2    
24.363 76.54 Z6        
24.401 76.6575     15 3/4    
24.51 77   77   37  
24.604 77.295     16