Size Studio
Ring Size 9.5 in UK, EU and Inside Diameter (mm)
A US (and Canadian) ring size 9.5 is a UK S½ and an EU 61, with an inside diameter of about 19.3 mm (60.7 mm around).
| US / CA | UK / AU | EU (ISO) | Japan | Inside diameter | Inside circumference |
|---|---|---|---|---|---|
| 9.5 | S½ | 61 | 20 | 19.3 mm | 60.7 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: 9Larger: 10Open the full converterHow to measure yourself
Questions
What is ring size 9.5 in mm?
About 19.3 mm inside diameter, 60.7 mm around.
What is ring size 9.5 in UK?
UK S½.
What is ring size 9.5 in EU?
EU 61.
More size tools
All tools- Shoe Size ConverterUS, UK, EU and cm for men and women, including men-to-women.
- Watch Size for Wrist CalculatorCase diameter, lug-to-lug and strap length for your wrist.
- Hat Size Chart & CalculatorHead measurement to US, UK, EU and S–XXL fedora sizes.
- Ring Size Converter & Printable SizerUS numbers, UK letters, EU, Japan and mm, plus a print-at-home sizer.
- Dress Size ConverterWomen's UK, US, EU, French, Italian, Australian and Japanese sizes.
- Jeans & Trousers Size ConverterWaist sizes to US, UK and EU for men and women.
- Belt Size CalculatorTrouser waist to belt size in inches and centimetres.
- Men's Shirt Size Chart (Neck & Sleeve)Neck size in inches and cm, S–XXL, and what 16/34 means.
- Backpack Size Guide (Litres)Dimensions to litres, and the right size for your trip.
- Men's Clothing Size ConverterSuits, jackets and T-shirts: UK, US, EU and chest sizes.