Ring Size Guide

Image of a black plastic ring sizer with magnifier window on black jeweller's block and Thor hammer and ring gauge in the background.

Already know your size?

  • Use the chart to determine your UK ring size equivalent.

  • Size up when ordering a wide band width to ensure comfort and fit.

Need a Ring Sizer?

Order a simple ring sizer to ensure the perfect fit.

Pay only £10 with free shipping, and receive £10 off your first Ring of the Realm ring order!

Ring Sizing Tips & Tricks

  • Visit a local jeweller and ask to have your finger sized.

  • Fingers tend to change size during the day - always measure your finger in the evening to ensure a comfortable fit.

  • A ring should be snug enough not to fall off, but loose enough to move over the knuckle without having to wrestle it on.

  • 0.1-0.5mm margins of error are negligible, and greater differences are often of no issue, depending on how you wear your jewellery.

  • If ordering a wide ring (widths of more than 5mm), it is better to go up a size to ensure a comfortable fit.

The Ring of the Realm size chart displaying various measurements for different ring sizes, including inner diameter, UK/AUS, US/CA, JP, and inner circumference in millimeters.
The Ring of the Realm size chart displaying various measurements for different ring sizes, including inner diameter, UK/AUS, US/CA, JP, and inner circumference in millimeters.
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