If you are planning to buy a ring for a loved one but are unsure of their ring size, we can help. Download our free ring sizer guide to find out your ring size at home. All you have to do is simply click here to download, and follow the instructions below. Of course, we will always be happy to welcome you into our Hatton Garden store to assist you with your ring size and help you to find your perfect ring.

 

Allure Jewellers Ring Sizer

Download the PDF file above, print to scale on A4 paper, and using a pair of scissors cut around the dotted lines to reveal your finger sizer. 

You can check the document is printed to scale by measuring the 5cm line once printed. 

Make a slit in the sizer where shown, and wrap the band sizer around your finger, with the end of the band poking through the slit you’ve made.

The sizer should fit comfortably around your finger, take care to ensure it is. not too tight. Make sure you can remove the sizer over your knuckle.

The letter indicated by the “Ring Size” in the slit indicates the ring size you will need. This guide is for indication purposes only, and should you have any questions please get in touch with us directly and we will be happy to assist you in any way. 

Below is our international ring size conversion chart which is useful if you would like to compare ring sizes from UK to USA and Europe:

 

Find your ring size with our International Conversion Chart

Ring Diameter (Inside) Ring Circumference (Inside) ‹ International Standard Sizes ›
MM Inches MM Inches Britan & Australia USA & Canada Europe
9.9 0.390 31.1 1.22 · 0000 ·
10.7 0.442 33.7 1.39 · 00 ·
11.5 0.454 36.2 1.43 · 0 ·
12.0 0.470 37.5 1.50 A 1/2 ·
12.2 0.479 38.3 1.51 A 1/2 3/4 ·
12.4 0.487 38.9 1.53 B 1 ·
12.6 0.506 39.6 1.56 B 1/2 1 1/4 ·
12.8 0.503 40.2 1.58 C 1 1/2 ·
13.0 0.511 40.8 1.61 C 1/2 1 3/4 ·
13.2 0.520 41.5 1.63 D 2 41 1/2
13.4 0.528 42.1 1.66 D 1/2 2 1/4 ·
13.6 0.536 42.8 1.68 E 2 1/2 42 3/4
13.8 0.544 43.5 1.71 E 1/2 2 3/4 ·
14.0 0.553 44.1 1.74 F 3 44
14.2 0.557 44.5 1.75 F 1/2 3 1/8 ·
14.3 0.561 44.8 1.76 F 3/4 3 1/4 ·
14.4 0.565 45.1 1.77 G 3 3/8 45 1/4
14.5 0.568 45.4 1.79 G 1/4 3 1/2 ·
14.6 0.573 45.7 1.80 G 1/2 3 5/8 ·
14.7 0.576 46.0 1.81 H 3 3/4 46 1/2
14.9 0.585 46.7 1.84 H 1/2 4 ·
15.0 0.592 47.3 1.86 I 4 1/4 47 3/4
15.3 0.601 48.0 1.89 I 1/2 4 1/2 ·
15.4 0.606 48.4 1.90 J 4 5/8 50
15.5 0.611 48.8 1.92 J 1/4 4 3/4 ·
15.7 0.618 50.3 1.94 J 1/2 5 ·
15.8 0.622 50.6 1.95 K 5 1/8 50
15.9 0.625 50.0 1.97 K 1/4 5 1/4 ·
16.0 0.630 50.3 1.98 K 1/2 5 3/8 ·
16.1 0.634 50.6 1.99 L 5 1/2 51 3/4
16.3 0.642 51.2 2.02 L 1/4 5 3/4 ·
16.4 0.646 51.6 2.03 L 1/2 5 7/8 ·
16.5 0.650 51.9 2.04 M 6 52 3/4
16.7 0.658 52.5 2.07 M 1/2 6 1/4 ·
16.9 0.666 53.2 2.09 N 6 1/2 54
17.1 0.674 53.8 2.12 N 1/2 6 3/4 ·
17.4 0.683 54.5 2.15 O 7 55 1/4
17.5 0.687 54.8 2.16 O 1/2 7 1/4 ·
17.8 0.698 55.8 2.20 P 7 1/2 56 1/2
18.0 0.707 56.5 2.22 P 1/2 7 3/4 ·
18.2 0.716 57.1 2.25 Q 8 57 3/4
18.4 0.722 57.7 2.27 Q 1/2 8 1/4 ·
18.5 0.729 58.2 2.29 Q 3/4 8 1/2 ·
18.6 0.733 58.5 2.30 R 8 5/8 59
18.7 0.736 58.7 2.31 R 1/4 8 3/4 ·
18.8 0.740 59.1 2.32 R 1/2 8 7/8 ·
18.9 0.743 59.3 2.35 R 3/4 9 ·
19.1 0.752 60.0 2.36 S 9 1/8 60 1/4
19.2 0.757 60.4 2.38 S 1/4 9 1/4 ·
19.3 0.760 60.7 2.39 S 1/2 9 3/8 ·
19.4 0.764 61.0 2.40 S 3/4 9 1/2 ·
19.5 0.768 61.3 2.41 T 9 5/8 61 1/2
19.6 0.772 61.6 2.43 T 1/4 9 3/4 ·
19.8 0.781 62.3 2.45 T 1/2 10 ·
20.0 0.780 62.9 2.48 U 10 1/4 62 3/4
20.2 0.795 63.5 2.50 U 1/2 10 1/2 ·
20.3 0.800 63.8 2.51 V 10 5/8 63
20.4 0.805 64.2 2.53 V 1/4 10 3/4 ·
20.7 0.814 65.0 2.56 V 1/2 11 ·
20.8 0.817 65.2 2.57 W 11 1/8 65
20.9 0.821 65.5 2.58 W 1/4 11 1/4 ·
20.9 0.824 65.8 2.59 W 1/2 11 3/8 ·
21.0 0.830 66.2 2.61 W 3/4 11 1/2 ·
21.2 0.834 66.5 2.62 X 11 5/8 66 1/4
21.2 0.836 66.7 2.63 X 1/4 11 3/4 ·
21.3 0.838 66.9 2.64 X 1/2 11 7/8 ·
21.5 0.846 67.5 2.66 Y 12 67 1/2
21.7 0.854 68.1 2.68 Y 1/2 12 1/4 ·
21.9 0.861 68.8 2.71 Z 12 1/2 68 3/4
22.1 0.870 69.4 2.73 Z +1/2 12 3/4 ·
22.3 0.879 70.2 2.76 Z+1 13 ·
22.6 0.890 71.0 2.80 Z+1.5 13.5 ·
22.7 0.893 71.3 2.81 Z+2 · ·
22.9 0.902 72.0 2.83 Z+2.5 · ·
23.0 0.908 72.5 2.85 Z+3 · ·
23.3 0.915 73.0 2.87 Z+3.5 · ·
23.5 0.924 73.7 2.90 Z+4 · ·
23.6 0.927 74.0 2.91 Z+4.5 · ·
23.9 0.940 75.0 2.95 Z+5 · ·
24.3 0.955 76.2 3.00 Z+6 · ·
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