Ring Sizing Guide

The table below shows the approximate circumference for rings of different sizes. For best results use a ring sizer to ensure the most comfortable fit, you can download a basic ring sizer here.

SizeCircumferenceDiameter
A37.4mm11.9mm
B38.7mm12.3mm
C40.0mm12.7mm
D41.3mm13.2mm
E42.5mm13.5mm
F43.7mm13.9mm
G45.0mm14.3mm
H46.2mm14.7mm
I47.4mm15.1mm
J48.7mm15.5mm
K50.0mm15.9mm
L51.3mm16.3mm
M52.5mm16.7mm
N53.7mm17.1mm
O55.0mm17.5mm
P56.2mm17.9mm
Q57.5mm18.3mm
R58.8mm18.7mm
S60.0mm19.1mm
T61.3mm19.5mm
U62.5mm19.9mm
V63.8mm20.3mm
W65.0mm20.7mm
X66.3mm21.1mm
Y67.5mm21.5mm
Z68.8mm21.9mm
Z+I70.0mm22.3mm

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