Everything here is measured on the pieces we actually sell, so the numbers match what arrives in the box. If you are between sizes, or buying as a surprise, write to us before you order — we would rather spend five minutes now than arrange a return later.
Ring sizes
British ring sizes run as letters. The number that matters is the inside circumference of the band, in millimetres.
| UK size | Inside circumference (mm) | US size |
|---|---|---|
| F | 44.2 | 3 |
| G | 45.5 | 3½ |
| H | 46.8 | 4 |
| I | 48.0 | 4½ |
| J | 48.7 | 4¾ |
| K | 50.0 | 5¼ |
| L | 51.2 | 5¾ |
| M | 52.5 | 6¼ |
| N | 53.8 | 6¾ |
| O | 55.1 | 7¼ |
| P | 56.3 | 7¾ |
| Q | 57.6 | 8¼ |
| R | 58.9 | 8¾ |
| S | 60.2 | 9¼ |
| T | 61.4 | 9¾ |
| U | 62.7 | 10¼ |
| V | 64.0 | 10¾ |
| W | 65.3 | 11¼ |
| X | 66.6 | 11¾ |
| Y | 67.8 | 12¼ |
| Z | 69.1 | 12¾ |
Measurements are approximate and rounded. Wide bands sit more tightly than narrow ones — if a ring is 6 mm across or wider, consider going up half a size.
How to measure at home
With a ring you already own. Take a ring that fits the correct finger, measure the inside diameter across the middle in millimetres, and multiply by 3.14. Match the result to the circumference column above. This is the most reliable method.
With a strip of paper. Cut a strip about 5 mm wide, wrap it around the base of the finger, mark where it overlaps and measure the length to the mark. That length is the circumference.
Two things that catch people out
Fingers change through the day. They are at their smallest first thing in the morning and in cold weather, and at their largest in the evening and in heat. Measure late in the day, at normal room temperature, and you will get a size you can wear all year.
The knuckle decides. The ring has to pass over it. If your knuckle is noticeably wider than the base of the finger, size to the knuckle and accept a slightly looser fit below.
Necklace and chain lengths
| Length | Inches | Where it sits |
|---|---|---|
| 40 cm | 16″ | At the base of the neck. Wear against bare skin or a low neckline. |
| 45 cm | 18″ | Just below the collarbone. The most versatile length and the usual choice for a pendant. |
| 50 cm | 20″ | On the breastbone. Works over a shirt or a fine knit. |
| 55 cm | 22″ | Below the breastbone. Good for layering and for heavier pendants. |
| 60 cm | 24″ | Longest of the standard lengths. Can be worn doubled. |
For men, 50 cm and 55 cm are the usual choices; 60 cm suits a broader frame or a chain worn outside a collar.
Bracelets and anklets
Measure around the wrist where the bracelet will sit, then add 1.5 cm for a close fit or 2 cm for a relaxed one. Chain bracelets should move a little; a bracelet that cannot slide at all will wear through faster at the clasp.
| Wrist measurement | Bracelet length |
|---|---|
| 15 cm | 17 cm |
| 16 cm | 18 cm |
| 17 cm | 19 cm |
| 18 cm | 20 cm |
For anklets, measure around the ankle just above the bone and add 2 cm.
Earrings
Where a drop length is given, it is measured from the top of the fitting to the lowest point of the earring, and it includes the hook or post.
Still not sure?
Send us a note with the piece you are looking at and we will help you choose. We would rather get it right first time.