Home / Rings / EU ring size 56 to US

EU ring size 56 to US

EU ring size 56 is about a US 7.5. The EU size is the inner circumference in mm (56 mm), which is a 17.8 mm diameter.

US 7.5United States
17.8 mminner diameter
56 mmcircumference

EU 56 across systems

SystemSize
EU / ISO56 (56 mm circ.)
Inner diameter17.8 mm
US7.5
UKP
The EU/ISO size is simply the inner circumference in millimetres, so it's the most precise system. US sizes rise about 0.4 mm of diameter per half size. Between sizes? Size up — a slightly loose ring beats a stuck one.

Frequently asked questions

What is EU ring size 56 in US?

About a US 7.5.

What diameter is EU ring size 56?

An inner diameter of about 17.8 mm (circumference 56 mm).