Ring Size Guide
Finding the perfect ring size ensures a comfortable and secure fit. Use this guide to determine your UK ring size with precision. The table below provides a detailed comparison of UK, US, and EU ring sizes along with the corresponding inner diameter measurements.
Ring Size Conversion Chart
| UK Size | Inside Diameter (mm) | US Size | EU Size |
|---|---|---|---|
| F | 14.07 mm | 3 | 44 |
| G | 14.48 mm | 3 ½ | 45 ¼ |
| H | 14.88 mm | 4 | 46 ½ |
| I | 15.29 mm | 4 ½ | 47 ⅛ |
| J | 15.49 mm | 4 ¾ | 48 ⅜ |
| K | 15.90 mm | 5 ¼ | 49 ⅝ |
| L | 16.31 mm | 5 ¾ | 50 ⅞ |
| M | 16.71 mm | 6 ¼ | 52 ⅛ |
| N | 17.12 mm | 6 ¾ | 53 ⅜ |
| O | 17.53 mm | 7 | 54 ⅝ |
| P | 17.93 mm | 7 ½ | 55 ⅞ |
| Q | 18.34 mm | 8 | 57 ⅛ |
| R | 18.75 mm | 8 ½ | 58 ⅜ |
| S | 19.15 mm | 9 | 59 ⅝ |
| T | 19.56 mm | 9 ¾ | 60 ⅞ |
| U | 19.96 mm | 10 ¼ | 62 ⅛ |
How to Measure Your Ring Size
To find your ideal ring size, try one of the following methods:
1. Measure an Existing Ring
- Select a ring that fits comfortably on the intended finger.
- Measure the inner diameter (mm) using a ruler.
- Compare the measurement with the chart above to determine your UK size.
2. Measure Your Finger
- Wrap a strip of paper or string around the base of your finger.
- Mark the point where it overlaps and measure the length with a ruler.
- Use the inside diameter from the chart to find your size.
Helpful Tips for Accurate Sizing
- Measure your finger at the end of the day when it is at its largest.
- Avoid measuring when your hands are too cold or too warm, as finger size fluctuates.
- If you fall between two sizes, opt for the larger size for a more comfortable fit.