Ring Sizer

Find Your Perfect Fit

Internal Diameter (mm) US/CAN Ring Size UK/AUS Ring Size German Ring Size
14.1 3 F 14
14.9 4 H 1/2 15
15.7 5 J 1/2 15 3/4
16.5 6 L 1/2 16 1/2
17.3 7 O 17 1/4
18.1 8 Q 18
19 9 S 19
19.8 10 U 19 3/4
20.6 11 W 20 1/2
21.4 12 Y 21 1/2

Measure Your Finger

  1. Wrap a strip of paper around your finger where you’d like your ring to be.
  2. Make sure that the paper is pulled snug to your finger, the tighter the better, to find your best fit.
  3. Mark the spot where the paper meets and measure the distance with a ruler (mm).
  4. Use the below chart to determine your ring size.
Circumference (mm) US/CAN Ring Size UK/AUS Ring Size German Ring Size
44.2 3 F 14
46.8 4 H 1/2 15
49.3 5 J 1/2 15 3/4
51.9 6 L 1/2 16 1/2
54.4 7 O 17 1/4
57.0 8 Q 18
59.5 9 S 19
62.1 10 U 19 3/4
64.6 11 W 20 1/2
67.2 12 Y 21 1/2

Tips & Tricks

Still Unsure?

Our custumers Happines team can help with any other qustions you have about finding your best fit. Reach out us

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