Choosing the right ring size is essential for enjoying a piece of jewelry that is comfortable, elegant, and fits perfectly. Whether you're looking for your own ideal size or planning a special gift, this guide is designed to help you.
Marina García, designer and the soul of our brand, has created this guide to help you learn how to measure a ring or how to measure your finger to get the right size. With her experience in the world of jewelry, she’s compiled the best tips and methods to determine your ring size easily and accurately.
We invite you to keep reading and discover how to find your perfect fit — because every piece deserves to fit you uniquely.
How to Know Your Ring Size
Knowing your ring size is easier than you might think if you follow a few basic methods. Whether you already have a ring that fits perfectly or plan to measure your finger directly, there are practical ways to get it right.
In this guide created by Marina, we explain step by step how to measure a ring and how to measure your finger for a ring — helping you avoid common mistakes and ensuring your new piece fits just right.
Method 1: Measure a Ring You Already Have
If you already have a ring that fits the finger where you’ll wear your new piece, this is the easiest and fastest method.
How to Measure a Ring Correctly
- Choose a ring you wear regularly and that fits comfortably.
- Using a ruler or caliper, measure the inner diameter of the ring in millimeters from edge to edge.
- Check the size chart to see which size corresponds to that measurement.
Method 2: Measure Your Finger Directly
If you don’t have a ring to reference, you can measure your finger directly. All you need is a strip of paper or string and a ruler.
How to Measure Your Finger for a Ring
- Wrap a strip of paper or string around your finger — not too tight.
- Mark the point where the ends overlap.
- Measure the length in millimeters with a ruler.
- Check the size chart to find your corresponding size.
Tip: It’s best to measure your finger at the end of the day, when it’s at its most natural size.
Tips to Get the Right Ring Size
Getting your size right isn’t just about measurement — small details can make a big difference in achieving the perfect fit. Here are some helpful tips to get it right from the start:
- If you're between two sizes, choose the larger one. It’s better for a ring to be slightly loose than too tight.
- Don't measure your fingers when they’re cold — they’ll be slimmer than usual and may lead you to pick a size that’s too small.
- Always measure the exact finger where you'll wear the ring. Each finger (even on the same hand) can differ in size.
- Consider the design of the ring — wider bands usually require a slightly larger size for comfort.
- If your hands tend to swell, it’s best to measure them in the afternoon or evening, when your fingers are at their natural size.
Ring Size Conversion Chart
Check the correspondence between your ring’s inner diameter and ring sizes in Spain, Europe, and the United States.
| Inner Diameter (mm) | Size ES | Size EU | Size USA |
|---|---|---|---|
| 15.2 | 8 | 48 | 4.5 |
| 15.5 | 9 | 49 | 5 |
| 15.9 | 10 | 50 | 5.5 |
| 16.2 | 11 | 51 | 5.75 |
| 16.5 | 12 | 52 | 6 |
| 16.8 | 13 | 53 | 6.5 |
| 17.1 | 14 | 54 | 7 |
| 17.4 | 15 | 55 | 7.5 |
| 17.8 | 16 | 56 | 7.75 |
| 18.0 | 17 | 57 | 8 |
| 18.4 | 18 | 58 | 8.5 |
| 18.7 | 19 | 59 | 8.75 |
| 19.0 | 20 | 60 | 9 |
| 19.3 | 21 | 61 | 9.5 |
| 19.6 | 22 | 62 | 10 |
| 20.0 | 23 | 63 | 10.5 |
| 20.3 | 24 | 64 | 10.75 |
| 20.6 | 25 | 65 | 11 |
| 21.0 | 26 | 66 | 11.5 |
| 21.3 | 27 | 67 | 12 |
| 21.6 | 28 | 68 | 12.5 |
| 22.0 | 29 | 69 | 12.75 |
| 22.3 | 30 | 70 | 13 |
