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Ring Sizer

Measure an existing ring

    • 1Select an existing ring that already fits your desire finger well
    • 2Measure the internal diameter of the ring in millimeter (mm)
    • 3Use the ring size chart to determine your ring size
INTERNAL DIAMETER (MM) 14.1 14.3 14.5 14.7 14.9 15.1 15.3 15.5 15.7 15.8 15.9 16.1 16.5 16.7 16.9 17.1 17.3 17.5 17.7 17.9 18.1 18.3 18.5 18.8 19.2 19.3 19.4 19.6 19.8 20 20.2 20.4 20.6 20.8 21
US/CANADA RING SIZE 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 5.25 5.5 5.75 6 6.25 6.5 6.75 7 7.25 7.5 7.75 8 8.25 8.5 8.75 9 9.25 9.5 9.75 10 10.25 10.5 10.75 11 11.25 11.5

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). Use the below chart to determine your ring size.

US/CANADA RING SIZE 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 5.25 5.5 5.75 6 6.25 6.5 6.75 7 7.25 7.5 7.75 8 8.25 8.5 8.75 9 9.25 9.5 9.75 10 10.25 10.5 10.75 11 11.25 11.5
CIRCUMFERENCE (MM) 44.5 45 45.5 46 47 47.5 48 49 49.5 50 51 51.5 52 53 53.5 54 55 55.5 56 56.5 57 58 58.5 59 60 60.5 61 62 62.5 63 64 64.5 65 65.5 66