This UK ring size chart helps you find the perfect fit whether you’re buying for yourself or as a gift. Ring sizes vary by country, so converting between UK, US and EU systems is essential when shopping online.
Below you’ll find a clear conversion table, measuring tips, and common sizing mistakes to avoid.
UK Ring Size Conversion Chart
| UK Size | US Size | EU Size (mm) |
|---|---|---|
| J | 5 | 49 |
| K | 5.5 | 50 |
| L | 6 | 52 |
| M | 6.5 | 53 |
| N | 7 | 54 |
| O | 7.5 | 56 |
| P | 8 | 57 |
| Q | 8.5 | 58 |
| R | 9 | 60 |
| S | 9.5 | 61 |
| T | 10 | 62 |
How to measure your ring size at home
Method 1 – Using an existing ring
- Place your ring on a ruler
- Measure the inside diameter in millimetres
- Match it to the chart above
This is the most accurate method.
Method 2 – Paper or string method
- Wrap paper around your finger
- Mark where it overlaps
- Measure the length in mm
- Convert using a size chart
Tip: Measure in the evening when fingers are slightly larger.
Common ring sizing mistakes
- Measuring cold fingers
- Pulling paper too tight
- Measuring swollen fingers
- Guessing without measuring
What if you’re between sizes?
Always size up slightly. Rings can be made smaller more easily than larger.
Ring sizing for gifts
If you’re buying secretly:
- Borrow one of their rings
- Ask a friend or family member
- Choose an adjustable style
Helpful external resources
Related articles
Final thoughts
This UK ring size chart makes buying jewellery online easy and stress-free. Measure carefully, double-check your size and enjoy a perfect fit every time.
