Choosing the right ring size

It’s important to have a ring that fits and to help you choose the right one, we’ve created the below table which shows the circumference of each ring size in mm.

 UK Ring SizeUS SizeEU SizeCircumference (mm)Diameter
H44746.8mm14.7mm
I4 ½4848mm15.2mm
J54948.7mm15.6mm
K5 ½5050mm16.0mm
L65151.2mm16.4mm
M6 ½5252.5mm16.8mm
N75353.8mm17.2mm
O7 ½5455.1mm17.6mm
P85556.3mm18.0mm
Q8 ½5657.6mm18.4mm
R95758.9mm18.8mm
S9 ½5860.2mm19.2mm
T105961.4mm19.6mm
U10 ½6062.7mm20.0mm
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