Size Studio
UK Ring Size P in US, EU and mm
A UK (and Australian) ring size P is about a US 7.75 and an EU 56, with an inside diameter of about 17.9 mm (56.3 mm around).
| US / CA | UK / AU | EU (ISO) | Japan | Inside diameter | Inside circumference |
|---|---|---|---|---|---|
| 7.75 | P | 56 | 16 | 17.9 mm | 56.3 mm |
Good to know
- EU (ISO) ring sizes are the inside circumference in millimetres. US sizes go up about 0.8 mm in diameter per whole size, UK letters about 0.4 mm.
- Fingers swell when warm. Measure at the end of the day, and go half a size up for wide bands.
Sizes either side
Smaller: OLarger: QOpen the full converterHow to measure yourself
Questions
What is ring size P in mm?
About 17.9 mm inside diameter, 56.3 mm around.
What is UK ring size P in US?
About US 7.75.
What is ring size P in EU?
EU 56.
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