Ring Size Guide
We’ve been a part of your most special moments for over 100 years, so we know buying an engagement ring or a wedding ring is one of the most momentous purchases of your life.
Discover how to measure your ring size or your loved one’s ring size at home with our expert guide, featuring ring size conversion charts and helpful tips.
Popping into one of our stores and having your finger measured is the most accurate way to determine your ring size, but if you need to find out from the comfort of your own home, we’re here to help with these handy tips.
Ring size conversion charts
- UK Ring Sizes
UK ring sizes
Ring Size Circumference (mm) Ring Size Circumference (mm) A 37.8 N 53.8 B 39.1 O 55.1 C 40.4 P 56.3 D 41.7 Q 57.6 E 42.9 R 58.9 F 44.2 S 60.2 G 45.5 T 61.4 H 46.8 U 62.7 I 48.0 V 64.0 J 48.7 W 65.3 K 50.0 X 66.6 L 51.2 Y 67.8 M 52.5 Z 68.5 Using a tape measure, find out your ring size (in mm) by measuring the circumference around the third finger on your left hand. Then, use the above UK ring size chart to find the corresponding letter.
- UK to US Ring Size Conversion
UK to US Ring Size Conversion
UK US & Canada UK US & Canada UK US & Canada A 1/2 K 5 1/4 S 1/2 9 1/4 B 1 K 1/2 5 1/2 - 9 1/2 C 1 1/2 L 5 3/4 T 9 3/4 D 2 L 1/2 6 T 1/2 10 D 1/2 2 1/4 M 6 1/4 U 10 1/4 E 2 1/2 M 1/2 6 1/2 U 1/2 10 1/2 E 1/2 2 3/4 N 6 3/4 V 10 3/4 F 3 O 7 V 1/2 11 F 1/2 3 1/4 O 1/2 7 1/4 W 11 1/4 G 3 1/2 P 7 1/2 W 1/2 11 1/2 G 1/2 3 3/4 P 1/2 7 3/4 X 11 3/4 H 4 Q 8 Y 12 H 1/2 4 1/4 Q 1/2 8 1/4 Y 1/2 12 1/4 I 4 1/2 R 8 1/2 Z 12 1/2 J 4 3/4 R 1/2 8 3/4 Z 1/2 12 3/4 J 1/2 5 S 9 - 13 Measure your UK ring size in mm before using our UK to US ring size chart to find your perfect fit in US (and Canadian) measurements.
- UK to EU Ring Size Conversion
UK to EU Ring Size Conversion
UK EU UK EU UK EU A K 49 5/8 S 1/2 60 1/4 B K 1/2 50 1/4 T 60 7/8 C 40 1/2 L 50 7/8 T 1/2 61 1/2 D 41 1/2 L 1/2 51 1/2 U 62 1/8 D 1/2 42 1/8 M 52 1/8 U 1/2 62 3/4 E 42 3/4 M 1/2 52 3/4 V 63 3/8 E 1/2 43 3/8 N 53 3/8 V 1/2 63 3/8 F 44 O 54 5/8 W 64 5/8 F 1/2 44 5/8 O 1/2 55 1/2 W 1/2 65 1/4 G 45 1/4 P 55 7/8 X 65 7/8 G 1/2 45 7/8 P 1/2 56 3/4 Y 67 1/8 H 46 1/2 Q 57 1/8 Y 1/2 H 1/2 Q 1/2 58 Z 67 3/4 I 47 1/8 R 58 3/8 Z 1/2 68 3/8 J 48 3/8 R 1/2 59 J 1/2 49 S 59 5/8 Use our EU to UK ring size chart to find an accurate ring measurement for yourself or your loved one.
Printable ring size chart
How to measure UK ring size at home
We’ve created a printable ring sizer chart (actual size) to make finding your perfect ring size easy – just follow these simple steps!
- Download and print off our ring sizer on A4 paper
- Cut around the sizer tool
- Place the tool around your finger
- Pull the end through the slot
- Pull it to fit snugly around your finger
- Make sure it slides over your knuckle
- Find the letter the arrow is pointing to and reveal your ring size
- Remember that thicker band widths need a larger size
Please note that this is only a guide and will not take into account the style of ring.
Download The ring size guideHelpful Tips
Helpful ring sizing tips
When you’re measuring ring size, don’t forget these useful tips.
1
Avoid measuring for a ring when you’re cold, as your fingers will be half a size smaller.
2
The evening is the best time of day to measure your finger, as this is when they are at their largest.
3
Measure your finger at least 3 times to ensure the correct size reading.
4
Rings with wider bands will fit a bit tighter, so you may need to go up a size.
How to find out someone's ring size
How to measure UK ring size in secret
Want to know how to measure ring size in top secret style? These helpful tips will be your go-to guide. Here’s how to find their ring size and make it the most unforgettable surprise of their life…
FAQs
Ring sizing FAQs
Still unsure? Ask one of
our friendly experts
If you need any more help or assistance, please call into any of our Beaverbrooks stores or contact our Customer Services team who will be happy to advise you. Call us free on 0800 169 2329. Our phone lines are open Monday to Friday 9am - 8pm or Saturday and Sunday 10am – 5pm.
You can also use our live chat service where we’ll be happy to help with all your questions.
We are also happy to offer a free 30-day returns policy for refunds and exchanges, in case you need to change your ring for another size or style providing that the ring is unworn.
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