A calmer place to begin
Find the ring-size route that fits what you already know.
Start with a finger, a ring that already fits, or a size from another country. Keep the method beside the number so Leyloon can review the fit in context.
Ring-size method finder
What do you already have in front of you?
Choose one honest starting point. Each option opens a real tool or focused guide; you can return here whenever the evidence changes.Fit, wear & care—considered together
A clearer decision, with the important context kept beside it
Start with what you already know—a finger, a ring, a printed size, or a country label—and this center sends you to the right working method.
Use this page when
- You are not sure which sizing tool matches your input.
- You want one place to compare measuring, converting, printing, fit, and surprise-size paths.
Pause this route when
- A ring is painfully tight, the finger is injured, or removal is urgent.
- You need a final size for an unusual band without reviewing its exact width and interior.
Where this choice often matters
- Choosing an engagement ring or wedding band.
- Updating a saved size before a birthday, anniversary, or self-purchase.
Compare the details
Choose the route from the input you have
Each card must be a real link to the stated working tool or guide.
| You know | Use | Result | Keep with it |
|---|---|---|---|
| Finger circumference | Ring size calculator | Starting size direction | Finger, hand, unit, width |
| Inside ring diameter | Existing-ring guide or calculator | Physical measurement plus size direction | Source ring and intended finger |
| Country size label | International converter | Closest governed equivalents | Original system and maker |
| Nothing reliable | Home-measure or surprise guide | A safer next method | Uncertainty remains visible |
Ring-size reference chart
Compare named sizes with inside measurements
Keep your original system and maker’s chart. This table is a comparison aid, not a universal fit promise.
| US & Canada | UK, Europe & Australia | Asia | Inside diameter | Inside circumference |
|---|---|---|---|---|
| 3 | F | 4 | 14.1 mm | 44.3 mm |
| 3.5 | G | — | 14.5 mm | 45.6 mm |
| 4 | H | 7 | 14.9 mm | 46.8 mm |
| 4.5 | I | 8 | 15.3 mm | 48.1 mm |
| 5 | J | 9 | 15.7 mm | 49.3 mm |
| 5.5 | K | 10 | 16.1 mm | 50.6 mm |
| 6 | L | 11 | 16.5 mm | 51.8 mm |
| 6.5 | M | 13 | 16.9 mm | 53.1 mm |
| 7 | N | 14 | 17.3 mm | 54.3 mm |
| 7.5 | O | 15 | 17.7 mm | 55.6 mm |
| 8 | P | 16 | 18.1 mm | 56.9 mm |
| 8.5 | Q | 17 | 18.5 mm | 58.1 mm |
| 9 | R | 18 | 19.0 mm | 59.7 mm |
| 9.5 | S | 19 | 19.4 mm | 60.9 mm |
| 10 | T | 20 | 19.8 mm | 62.2 mm |
| 10.5 | U | 22 | 20.2 mm | 63.5 mm |
| 11 | V | 23 | 20.6 mm | 64.7 mm |
| 11.5 | W | 24 | 21.0 mm | 66.0 mm |
| 12 | X | 25 | 21.4 mm | 67.2 mm |
| 12.5 | Y | 26 | 21.8 mm | 68.5 mm |
| 13 | Z.5 | 27 | 22.2 mm | 69.7 mm |
| 13.5 | Z1 | — | 22.6 mm | 71.0 mm |
Reviewed 2026-08-25. Source reference: GIA ring-size guide. This table follows GIA’s US and Canada, UK/Europe/Australia, and Asia columns; blank cells are not listed by GIA. Leyloon uses the nearest physical row without interpolation and keeps your original measurement beside it.
Keep your direction organised
The complete choice groups for this decision
These groups support this page’s promise: Start with what you already know—a finger, a ring, a printed size, or a country label—and this center sends you to the right working method. Use them to compare what belongs together; make and keep your editable choices in the working path that follows.
What do you already know?
Choose one direction.
- Finger measurementCircumference from the intended finger.
- Existing ringInside diameter from a ring that fits.
- Named sizeUS, UK, EU, Japan, or another maker label.
- Nothing yetChoose a careful measurement path.
What could change the fit?
Keep every direction that fits.
- Wide band or stackMore contact width needs review.
- Wider knucklePassage and resting fit differ.
- Fit changes through the dayKeep a comfortable range.
- Surprise giftKeep confidence and privacy visible.
Questions worth asking
Open the concern that sounds like yours
Each answer stays within this page’s promise—Start with what you already know—a finger, a ring, a printed size, or a country label—and this center sends you to the right working method.—without making the next step feel heavier than it needs to be.
Which method is best?
A professional gauge on the intended finger is strongest; a well-fitting round ring can also be useful when its finger is known.
Can I save a size here?
Use the profile path when signed in, and keep the source of the size with it.
Why are there several tools?
They answer different inputs. The center prevents a diameter, circumference, print, or country label from being treated as the same thing.
Ready when you are
Carry this direction into your design
Leyloon can keep these choices together while you continue. Every detail stays editable. For this page, that means: Start with what you already know—a finger, a ring, a printed size, or a country label—and this center sends you to the right working method.
- What is the original measurement or labeled size?A useful next question
- How wide or stacked will the band be?Keep it open if you are still deciding
- Is the interior standard, comfort fit, or still open?Keep it open if you are still deciding
- Which hand, finger, method, unit, and uncertainty should Leyloon keep?Keep it open if you are still deciding
A visual map of this brief
See what stays known—and what remains open
This route begins with “Choose the measuring route that matches what you actually know.” The next choices stay grouped, editable, and connected to that same Atelier brief.
- What do you already know?Start with the information in front of you. Each choice opens a different measuring or comparison path.
- Which path feels useful now?This organizes your next step without filling the ring-size question for you.
- Ring you are sizingChoose the ring context so the measurement stays attached to the right width, profile, and finger.
Start with what matters on this page
Tell us what you know, and take the right sizing path
Begin with the input in front of you. Leyloon keeps its method and ring context together without turning a clue into a guaranteed fit.Published customer proof
Real experiences, kept separate from promises
Only approved purchase-linked reviews appear here. An illustrative scene is never presented as a customer, and one person’s experience is never treated as a promise for another piece.See what Leyloon customers have shared
Read recent shop reviews on Etsy, then come back when you are ready to shape your own fit and jewelry direction.
These reviews reflect individual Leyloon service experiences. Your fit and jewelry direction and quote request are reviewed on their own.