* Ring size conversion
EU 61 ring size conversion
EU 61 is an inside diameter of 19.4 mm (circumference 60.8 mm). In other systems that is US 9.5 = UK S½ = EU 61 = Japan 20.
Published July 11, 2026
EU 61 — full conversion
- Inside diameter
- 19.4 mm
- Inside circumference
- 60.8 mm
- Japan
- 20
- US / Canada
- 9.5
- UK / Australia
- S½
- EU (ISO)
- 61
Nearby sizes
- Ø 18.9 mm — US 9 = UK R½ = EU 60 = Japan 19
- Ø 19.8 mm — US 10 = UK T½ = EU 62 = Japan 21
Buying tips for EU 61
- Wide bands feel tighter — consider going up ~½ US size for bands over 6 mm.
- Printable paper sizers are often ¼–½ size off; prefer a metal gauge at a jeweler.
- Selling the ring for gold? Check 18K ring melt value or the karat × weight calculator.
* Frequently asked
FAQ
- Q. What is EU 61 in other ring size systems?
- A. EU 61 converts to US 9.5 = UK S½ = EU 61 = Japan 20.
- Q. What is the diameter of EU 61?
- A. Inside diameter 19.4 mm; inside circumference 60.8 mm.
- Q. How should I measure my finger?
- A. Measure at the end of the day when fingers are warm. The ring must clear the knuckle; if knuckle and base differ, size for the knuckle and consider a comfort-fit band.
- Q. Can every ring be resized to this size?
- A. Most gold and platinum bands can move 1–2 sizes. Tension settings, eternity bands, and some titanium/tungsten rings cannot. See a jeweler before ordering a resize.
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