International Ring Size Guide
Ring sizes may vary between countries and manufacturers. This guide compares common US, UK, European, and Asian ring sizes to help you find a comfortable fit for jade rings and fine jewelry.
Common Ring Size Conversions
US Size 5
UK / AU: J–K
EU: 49–50
Asia: 9–10
Inner Diameter: 15.7 mm
US Size 6
UK / AU: L–M
EU: 51–52
Asia: 11–12
Inner Diameter: 16.5 mm
US Size 7
UK / AU: N–O
EU: 54–55
Asia: 13–14
Inner Diameter: 17.3 mm
US Size 8
UK / AU: P–Q
EU: 57–58
Asia: 16–17
Inner Diameter: 18.2 mm
US Size 9
UK / AU: R–S
EU: 59–60
Asia: 18–19
Inner Diameter: 19.0 mm
For the most accurate fit, measure the inner diameter of a ring that already fits comfortably. Ring size standards may vary slightly between different countries and jewelry manufacturers.
