Ring Measure


How to measure your ring size accurately

‘How do I measure ring size?’ This is perhaps the most commonly asked question while shopping for rings online. Hence this page! We want you to be 100% sure that the ring you buy fits perfectly.

The best way of doing this is to get your finger measured by your local jeweler.

If that is not an option (and you have a ring already to compare with), You can use the following tool:

Find Your Ring Size
(NOTE : Guide only)


Below is a chart of ring sizes to help our international customers figure out how sizes match up.

International Ring Size Chart

US & Canada Ring Size Diameter in Inches Great Britain France Germany Japan Switzerland
000 0.390 --- --- --- --- ---
00 0.422 --- --- --- --- ---
0 0.454 --- --- --- --- ---
½ 0.462 A --- --- --- ---
¾ 0.471 A-½ --- --- --- ---
1 0.487 B --- --- 1 ---
1 1/4 0.495 B-½ --- --- --- ---
1 1/2 0.503 C --- --- --- ---
1 3/4 0.511 C-½ --- --- --- ---
2 0.520 D 41 1/2 13 1/4 2 1 1/2
2 1/4 0.528 D-½ 42 1/8 13 1/2 --- ---
2 1/2 0.536 E 42 3/4 13 3/4 3 2 3/4
2 3/4 0.544 E-½ 43 3/8 --- --- 3 3/8
3 0.553 F 44 14 4 4
3 1/4 0.561 F-½ 44 5/8 14 1/4 --- 4 5/8
3 1/2 0.569 G 45 1/4 14 1/2 5 5 1/4
3 3/4 0.577 G-½ 45 7/8 14 3/4 6 5 7/8
4 0.586 H-½ 46 1/2 15 7 6 1/2
4 1/4 0.594 I 47 1/8 15 1/4 --- 7 1/8
4 1/2 0.602 I-½ 47 3/4 15 1/2 8 7 3/4
4 3/4 0.610 J 48 3/8 --- --- 8 3/8
5 0.619 J-½ 49 15 3/4 9 9
5 1/4 0.627 K 49 5/8 16 --- 9 5/8
5 1/2 0.635 K-½ 50 1/4 16 1/4 10 10 1/4
5 3/4 0.643 L 50 7/8 --- 11 10 7/8
6 0.652 L-½ 51 1/2 16 1/2 12 11 1/2
6 1/4 0.660 M 52 1/8 16 3/4 --- 12 1/8
6 1/2 0.668 M-½ 52 3/4 17 13 12 3/4
6 3/4 0.676 N 53 3/8 --- --- 13 3/8
7 0.685 O 54 17 1/4 14 14
7 1/4 0.693 O-½ 54 5/8 17 1/2 --- 14 5/8
7 1/2 0.701 P 55 1/4 17 3/4 15 15 1/4
7 3/4 0.709 P-½ 55 7/8 --- --- 15 7/8
8 0.717 Q 56 1/2 18 16 16 1/2
8 1/4 0.726 Q-½ 57 1/8 18 1/4 --- 17 1/8
8 1/2 0.734 R 57 3/4 18 1/2 17 17 3/4
8 3/4 0.742 R-½ 58 3/8 18 3/4 --- 18 3/8
9 0.750 S 59 19 18 19
9 1/4 0.759 S-½ 59 5/8 19 1/4 --- 19 5/8
9 1/2 0.767 --- 60 1/4 19 1/2 19 20 1/4
9 3/4 0.775 T 60 7/8 19 3/4 --- 20 7/8
10 0.783 T-½ 61 1/2 20 20 21 1/2
10 1/4 0.792 U 62 1/8 20 1/4 21 22 1/8
10 1/2 0.800 U-½ 62 3/4 20 1/2 22 22 3/4
10 3/4 0.808 V 63 3/8 --- --- 23 3/8
11 0.816 V-½ 64 20 3/4 23 24
11 1/4 0.825 W 64 5/8 --- --- 24 5/8
11 1/2 0.833 W-½ 65 1/4 21 24 25 1/4
11 3/4 0.841 X 65 7/8 --- --- 25 7/8
12 0.849 Y 66 1/2 21 1/4 25 26 1/2
12 1/4 0.858 Y-½ 67 1/8 21 1/2 --- 27 1/8
12 1/2 0.866 Z 67 3/4 21 3/4 26 27 3/4
12 3/4 0.874 Z-½ 68 3/8 --- --- 28 3/8
13 0.882 --- 69 22 27 29


What if I need my ring resized?

In the unlikely event, that your ring doesn’t fit, we can resize it for you. Simply return the ring to us along with your order number and the size you want the ring changed to. There is a charge of €25, which includes the return delivery charge.

Note : This is only for 1/2 size resizing. Full sizes or more can incur a higher cost as we might have to redo the ring from scratch.

Contact us, then send all resizing orders to:

Celtic Rings Ltd
Na Cluiante
Portarlington
County Offaly
Ireland.

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Testimonials

We just got home and opened up the rings package - they are so absolutely beautiful, we are just thrilled! Thank you, thank you!!! Wendy & Jim, Texas

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