How do I know my ring size?


How do I know my ring size?

how do I know my ring size?

Step 1

Wrap a piece of string tightly around your finger.

Step 2

Mark the point where the two ends meet.

Step 3

Measure the string against a ruler to get the circumference of your finger.

Step 4

Look up your ring size using the circ column in the rings size conversion chart.

Watch the 'How do I know my ring size?' video

Things to note

We always recommend you have a local jeweller measure your ring size. To make sure you have a perfect fit.

Please double check your ring size with our ring size guide.

Please add a quarter to a half size on all rings wider than 0.47inch/1.2cm

All our rings can always be re sized.

Ring size FAQ's

How do I know my ring size?

Click, to check your ring size with our ring size guide.

How do I convert my ring size?

Click, to convert your ring size with ring size conversion chart.

Are ring sizes universal or standard?

Yes ring sizes are universal and standard. Although, there are different ring size conversion depending on what country you are in. Ring sizes are normally measured with numbers in the United States and Canada. And are normally measured with letters in the United Kingdom and Australia. Please note that other countries may have different conversions. But the most consistent way to check your size in either the inside diameter or inside circumference.

Are ring sizes unisex?

Yes ring sizes are unisex. If your ring size is size 9, then your ring size is 9 whether you are male of female. There is not a male or female size for rings.

What is an average ring size?

We have found that the average ring size for men is size 10 and the average ring size for women is size 7.

Are ring sizes measured in cm or inches?

Ring sizes can be measured in either cm or inches. Whatever your measurements are in you can always convert them through our ring size conversion chart.

Can ring sizes be increased, decreased sized up, sized down or adjusted?

Yes all our rings can always be re sized.  We can always make them bigger or smaller or change the measurements.

Can my ring size change? 

Yes your ring size can change slightly. We've found that temperatures, winter or summer conditions can change your ring size. Colder conditions can make your ring size smaller and warmer conditions can make your ring size larger.

Ring size conversion chart

US SIZE UK SIZE INSIDE DIA IN INSIDE DIA MM INSIDE CIRC IN INSIDE CIRC MM
1/2 A 0.474 12.0 1.488 37.8
3/4 A 1/2 0.482 12.2 1.513 38.4
1 B 0.490 12.4 1.539 39.1
1 1/4 B 1/2 0.498 12.6 1.564 39.7
1 1/2 C 0.506 12.9 1.589 40.4
1 3/4 C 1/2 0.514 13.1 1.614 41.0
2 D 0.522 13.3 1.639 41.6
2 1/4 D 1/2 0.530 13.5 1.664 42.3
2 1/2 E 0.538 13.7 1.689 42.9
2 3/4 E 1/2 0.546 13.9 1.714 43.5
3 F 0.554 14.1 1.740 44.2
3 1/4 F 1/2 0.562 14.3 1.765 44.8
3 1/2 G 0.570 14.5 1.790 45.5
3 3/4 G 1/2 0.578 14.7 1.815 46.1
4 H 0.586 14.9 1.840 46.7
4 1/4 H 1/2 0.594 15.1 1.865 47.4
4 1/2 I 0.602 15.3 1.890 48.0
4 3/4 J 0.610 15.5 1.915 48.7
5 J 1/2 0.618 15.7 1.941 49.3
5 1/4 K 0.626 15.9 1.966 49.9
5 1/2 K 1/2 0.634 16.1 1.991 50.6
5 3/4 L 0.642 16.3 2.016 51.2
6 L 1/2 0.650 16.5 2.041 51.8
6 1/4 M 0.658 16.7 2.066 52.5
6 1/2 M 1/2 0.666 16.9 2.091 53.1
6 3/4 N 0.674 17.1 2.116 53.8
7 N 1/2 0.682 17.3 2.141 54.4
7 1/4 O 0.690 17.5 2.167 55.0
7 1/2 O 1/2 0.698 17.7 2.192 55.7
7 3/4 P 0.706 17.9 2.217 56.3
8 P 1/2 0.714 18.1 2.242 56.9
8 1/4 Q 0.722 18.3 2.267 57.6
8 1/2 Q 1/2 0.730 18.5 2.292 58.2
8 3/4 R 0.738 18.7 2.317 58.9
9 R 1/2 0.746 18.9 2.342 59.5
9 1/4 S 0.754 19.2 2.368 60.1
9 1/2 S 1/2 0.762 19.4 2.393 60.8
9 3/4 T 0.770 19.6 2.418 61.4
10 T 1/2 0.778 19.8 2.443 62.1
10 1/4 U 0.786 20.0 2.468 62.7
10 1/2 U 1/2 0.794 20.2 2.493 63.3
10 3/4 V 0.802 20.4 2.518 64.0
11 V 1/2 0.810 20.6 2.543 64.6
11 1/4 W 0.818 20.8 2.569 65.2
11 1/2 W 1/2 0.826 21.0 2.594 65.9
11 3/4 X 0.834 21.2 2.619 66.5
12 X 1/2 0.842 21.4 2.644 67.2
12 1/4 Y 0.850 21.6 2.669 67.8
12 1/2 Z 0.858 21.8 2.694 68.4
12 3/4 Z 1/2 0.866 22.0 2.719 69.1
13   0.874 22.2 2.744 69.7
13 1/4 Z1 0.882 22.4 2.769 70.3
13 1/2   0.890 22.6 2.795 71.0
13 3/4 Z2 0.898 22.8 2.820 71.6
14 Z3 0.906 23.0 2.845 72.3
14 1/4   0.914 23.2 2.870 72.9
14 1/2 Z4 0.922 23.4 2.895 73.5
14 3/4   0.930 23.6 2.920 74.2
15   0.938 23.8 2.945 74.8
15 1/4   0.946 24.0 2.970 75.4
15 1/2   0.954 24.2 2.996 76.1
15 3/4   0.962 24.4 3.021 76.7
16   0.970 24.6 3.046 77.4
16 1/4   0.978 24.8 3.071 78.0
16 1/2   0.986 25.0 3.096 78.6
16 3/4   0.994 25.2 3.121 79.3
17   1.002 25.5 3.146 79.9
17 1/4   1.010 25.7 3.171 80.6
17 1/2   1.018 25.9 3.197 81.2
17 3/4   1.026 26.1 3.222 81.8
18   1.034 26.3 3.247 82.5
18 1/4   1.042 26.5 3.272 83.1
18 1/2   1.050 26.7 3.297 83.7
18 3/4   1.058 26.9 3.322 84.4
19   1.066 27.1 3.347 85.0
19 1/4   1.074 27.3 3.372 85.7
19 1/2   1.082 27.5 3.397 86.3
19 3/4   1.090 27.7 3.423 86.9
20   1.098 27.9 3.448 87.6
20 1/4   1.106 28.1 3.473 88.2
20 1/2   1.114 28.3 3.498 88.8
20 3/4   1.122 28.5 3.523 89.5
21   1.130 28.7 3.548 90.1
21 1/4   1.138 28.9 3.573 90.8
21 1/2   1.146 29.1 3.598 91.4
21 3/4   1.154 29.3 3.624 92.0
22   1.162 29.5 3.649 92.7
22 1/4   1.170 29.7 3.674 93.3
22 1/2   1.178 29.9 3.699 94.0
22 3/4   1.186 30.1 3.724 94.6
23   1.194 30.3 3.749 95.2
23 1/4   1.202 30.5 3.774 95.9
23 1/2   1.210 30.7 3.799 96.5
23 3/4   1.218 30.9 3.825 97.1
24   1.226 31.1 3.850 97.8
24 1/4   1.234 31.3 3.875 98.4
24 1/2   1.242 31.5 3.900 99.1
24 3/4   1.250 31.8 3.925 99.7
25   1.258 32.0 3.950 100.3
25 1/4   1.266 32.2 3.975 101.0
25 1/2   1.274 32.4 4.000 101.6
25 3/4   1.282 32.6 4.025 102.2
26   1.290 32.8 4.051 102.9

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