Ring Sizer
Find your perfect fit
Measure an existing ring
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Select an existing ring that fits the desired finger.
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Measure the internal diameter of the ring (in mm).
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Use the below chart to determine your ring size.
INTERNAL DIAMETER (MM)
14.1 14.9 15.7 16.5 17.3 18.1 19.0 19.8 20.6 21.4 22.2
US/CANADA RING SIZE
3 4 5 6 7 8 9 10 11 12 13
UK/AUSTRALIA RING SIZE
F H J L N P R T V X Z
Measure your finger
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Encircle your finger with a strip of paper or string at the desired location for your ring.
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Ensure that the paper or string is tightly wrapped around your finger, with a snug fit for the most accurate measurement.
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Identify the point where the paper or string ends meet, and measure the distance using a ruler (in millimeters).
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Refer to the chart below to ascertain your ring size.
CIRCUMFERENCE (MM)
44.2 46.8 49.3 51.9 54.4 57.0 59.5 62.1 64.6 67.2 67.7
US/CANADA RING SIZE
3 4 5 6 7 8 9 10 11 12 13
UK/AUSTRALIA RING SIZE
F H J L N P R T V X Z