How to Measure Ring Size UK Guide
With our easy-to-use ring size calculator and comprehensive measuring guide, you’ll find your ideal ring size in just a few minutes.
Buying the perfect ring online can be tricky if you don't know your perfect ring size. But you don’t have to guess anymore!
Step 1: Measure Your Finger at Home
Before using our tool, you'll need to measure your finger using UK-specific measurements. Here's how to do it with just a string and a ruler:
What You Need
- String (or thin paper strip)
- Ruler
- Pen
Instructions
- Wrap the string around the base of your finger.
- Mark the point where the string overlaps.
- Lay the string flat and measure the length (in millimeters) from the start to the mark.
Tip: It’s best to measure at the end of the day, as your fingers can be slightly larger then, ensuring a comfortable fit.
Step 2: Use the Ring Size Calculator Below
Step 3: Check Your Results and Shop Confidently
After using the calculator, you'll have your UK ring size. Use this information to confidently shop for rings knowing they’ll fit perfectly. Check out our collection of rings or find other products to ensure you’re getting the right fit.
Ring Size Chart
| Circumference (mm) |
Inside Diameter (mm) |
UK Size |
|---|---|---|
| 48.0 | 15.3 | I |
| 48.7 | 15.5 | I½ |
| 49.0 | 15.7 | J |
| 49.3 | 15.8 | J½ |
| 50.0 | 15.9 | K |
| 50.3 | 16.0 | K½ |
| 51.2 | 16.3 | L |
| 51.5 | 16.4 | L½ |
| 52.5 | 16.7 | M |
| 52.8 | 16.8 | M½ |
| 53.8 | 17.1 | N |
| 54.0 | 17.2 | N½ |
| 55.1 | 17.5 | O |
| 55.4 | 17.7 | O½ |
| 56.3 | 17.9 | P |
| 56.6 | 18.0 | P½ |
| 57.6 | 18.3 | Q |
| 57.8 | 18.4 | Q½ |
| 58.9 | 18.8 | R |
| 59.1 | 18.9 | R½ |
| 60.0 | 19.1 | S |
| 60.3 | 19.2 | S½ |
| 61.4 | 19.5 | T |
| 61.6 | 19.6 | T½ |
| 62.8 | 20.0 | U |
| 63.1 | 20.1 | U½ |
| 64.0 | 20.4 | V |
| 64.3 | 20.5 | V½ |
| 65.3 | 20.8 | W |
| 65.6 | 20.9 | W½ |
| 66.6 | 21.2 | X |
| 66.9 | 21.3 | X½ |
| 67.9 | 21.6 | Y |
| 68.1 | 21.7 | Y½ |
| 69.1 | 22.0 | Z |
Conclusion: Mastering How to Measure Ring Size in the UK
Understanding how you can measure ring size UK is essential for a comfortable and secure fit. By following our comprehensive guide and using our calculator, you can confidently determine your ideal ring size. Whether you're treating yourself or buying a gift, knowing the correct ring size ensures a seamless and enjoyable experience. Remember, when it comes to rings, precision makes all the difference!