US Ring Size 3.5 in mm (Diameter & Circumference)
US ring size 3.5 = 14.47 mm inner diameter, 45.5 mm circumference (UK —, EU 45.5, JP —)
| US/CA | UK/AU | EU/ISO | JP | Diameter | Circumference |
|---|---|---|---|---|---|
| 3 | — | 44 | — | 14.07 mm | 44.2 mm |
| 3.5 | — | 45.5 | — | 14.47 mm | 45.5 mm |
| 4 | H½ | 46.5 | 7 | 14.88 mm | 46.7 mm |
| 4.5 | I½ | 48 | 8 | 15.29 mm | 48 mm |
FAQ
What is ring size 3.5 in mm?
About 14.47 mm across the inside, 45.5 mm around.
What is US 3.5 in UK size?
About n/a.
Related
Sizes vary by brand and seller. Always check the product's own size chart and measure yourself; this chart is a general standard guide.