How to know your ring size?
Finding the perfect ring size is essential for a comfortable and secure fit. At unicoring, we’re here to help you determine your ring size with ease. Follow our simple steps and choose from the various methods below:


Option 1 – Paper Strip and Ruler Method
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Inside Diameter (mm) | Inside Circumference (mm) | US, Canada | UK, Australia, South Africa | France | Germany, Russia, Ukraine, Asia | Japan,South America | Italy, Spain |
---|---|---|---|---|---|---|---|
14.1 | 44.2 | 3 | F | 44 | 14 | 4 | 4 |
14.3 | 44.8 | 3.25 | F 1/2 | 45 | 14 1/4 | — | 4 5/8 |
14.5 | 45.5 | 3.5 | G | 45.5 | 14 1/2 | 5 | 5 1/4 |
14.7 | 46.1 | 3.75 | G 1/2 | 46 | 14 3/4 | 6 | 5 7/8 |
14.9 | 46.8 | 4 | H | 47 | 15 | 7 | 6 1/2 |
15.1 | 47.4 | 4.25 | H 1/2 | 47.5 | — | — | 7 1/8 |
15.3 | 48 | 4.5 | I | 48 | 15 1/4 | 8 | 7 3/4 |
15.5 | 48.7 | 4.75 | J | 48.5 | 15 1/2 | — | 8 3/8 |
15.7 | 49.3 | 5 | J 1/2 | 49 | 15 3/4 | 9 | 9 |
15.9 | 50 | 5.25 | K | 50 | 16 | — | 9 5/8 |
16.1 | 50.6 | 5.5 | K 1/2 | 50.5 | 16 1/4 | 10 | 10 1/4 |
16.3 | 51.2 | 5.75 | L | 51 | — | 11 | 10 7/8 |
16.5 | 51.9 | 6 | L 1/2 | 52 | 16 1/2 | 12 | 11 1/2 |
16.7 | 52.5 | 6.25 | M | 52.5 | 16 3/4 | — | 12 1/8 |
16.9 | 53.1 | 6.5 | M 1/2 | 53 | 17 | 13 | 12 3/4 |
17.1 | 53.8 | 6.75 | N | 54 | — | — | 13 3/8 |
17.3 | 54.4 | 7 | N 1/2 | 54.5 | 17 1/4 | 14 | 14 |
17.5 | 55.1 | 7.25 | O | 55 | 17 1/2 | — | 14 5/8 |
17.7 | 55.7 | 7.5 | O 1/2 | 56 | 17 3/4 | 15 | 15 1/4 |
17.9 | 56.3 | 7.75 | P | 56.5 | 18 | — | 15 7/8 |
18.1 | 57 | 8 | P 1/2 | 57 | — | 16 | 16 1/2 |
18.3 | 57.6 | 8.25 | Q | 58 | 18 1/4 | — | 17 1/8 |
18.5 | 58.3 | 8.5 | Q 1/2 | 58.5 | 18 1/2 | 17 | 17 3/4 |
18.7 | 58.9 | 8.75 | R | 59 | 18 3/4 | — | 18 3/8 |
19 | 59.5 | 9 | R 1/2 | 60 | 19 | 18 | 19 |
19.1 | 60.2 | 9.25 | S | 60.5 | 19 1/4 | — | 19 5/8 |
19.4 | 60.8 | 9.5 | S 1/2 | 61 | 19 1/2 | 19 | 20 1/4 |
19.5 | 61.4 | 9.75 | T | 61.5 | — | — | 20 7/8 |
19.8 | 62.1 | 10 | T 1/2 | 62 | 19 3/4 | 20 | 21 1/2 |
20 | 62.7 | 10.25 | U | 63 | 20 | 21 | 22 1/8 |
20.2 | 63.4 | 10.5 | U 1/2 | 63.5 | — | 22 | 22 3/4 |
20.4 | 64 | 10.75 | V | 64 | 20 1/2 | — | 23 3/8 |
20.6 | 64.6 | 11 | V 1/2 | 65 | 20 3/4 | 23 | 24 |
20.8 | 65.3 | 11.25 | W | 65.5 | — | — | 24 5/8 |
21 | 65.9 | 11.5 | W 1/2 | 66 | 21 | 24 | 25 1/4 |
21.2 | 66.6 | 11.75 | X | 67 | 21 1/4 | — | 25 7/8 |
21.4 | 67.2 | 12 | X 1/2 | 67.5 | 21 1/2 | 25 | 26 1/2 |
21.6 | 68.1 | 12.25 | Y | 68 | — | — | 27 1/8 |
21.8 | 68.5 | 12.5 | Z | 69 | 21 3/4 | 26 | 27 3/4 |
22.2 | 69.7 | 13 | Z+1 | 70 | 22 | 27 | 29 |
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Option 2 – Perfect Fit Ring Sizer
For the most accurate measurement, request a free ring sizer from TAYLOR KOM. This handy tool will ensure you get the perfect fit.

How to use:
- Push the end through the loop to form a ring
- Place finger through loop and adjust tightness
- Don’t pull too tight! It should feel comfortable and snug
- Look at the arrow to see what size you are
- If you are a half size, size up to the next whole number
- Repeat steps for other finger, even for midi rings!
Option 3 – Contact Us
If you already have a ring that fits well, measure the inner diameter of the ring using a ruler or measuring tape. Match this measurement to our ring size chart to determine your size.
Option 4 – Use Your Existing Ring
For personalized support, reach out to our experts. We can help you find your perfect ring size or assist with placing a special order.Contact us here.