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* Ring size conversion

EU 71 ring size conversion

EU 71 is an inside diameter of 22.6 mm (circumference 71 mm). In other systems that is US 13.5 = UK Z+2 = EU 71 = Japan 30.

Published July 11, 2026

EU 71 — full conversion

Inside diameter
22.6 mm
Inside circumference
71 mm
Japan
30
US / Canada
13.5
UK / Australia
Z+2
EU (ISO)
71

Nearby sizes

  • Ø 22.2 mm — US 13 = UK Z+1 = EU 70 = Japan 29
  • Ø 23 mm — US 14 = UK Z+3 = EU 72 = Japan 31

Buying tips for EU 71

  • 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 71 in other ring size systems?
A. EU 71 converts to US 13.5 = UK Z+2 = EU 71 = Japan 30.
Q. What is the diameter of EU 71?
A. Inside diameter 22.6 mm; inside circumference 71 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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