Ring size guide

Two ways to find your size. Both take about a minute.

Do you already have a ring that fits the finger you're shopping for?
Step 1 — Calibrate your screen

Grab any bank card. Every card in the world is exactly the same size, so we can use it to work out how big your screen really is.

Match this to your card
Step 2 — Place your ring on the screen

Line the inside of the band up with the red circle. Adjust until the red ring just disappears behind the band.

Inside edge of the band
Or type the measurement instead

Measure the inner diameter of the ring in millimetres and enter it here.

mm
Measure your finger
  1. Cut a thin strip of paper and wrap it around the base of your finger — snug, not tight.
  2. Mark where the strip overlaps, then lay it flat and measure to the mark in millimetres.
  3. Enter that number below.
wrap mark measure this length
mm

Between sizes? We round up so the ring clears your knuckle.

US size UK / AU Inner ø (mm) Circumference (mm) Stocked

We stock whole US sizes 6–14. Half sizes are shown for reference — we'll always recommend the closest size we carry.