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Ring Size Chart

Inside Diameter  Inside Circumference Ring Sizes
Millimetres
(mm)
Inches
(In)
Millimetres
(mm)
Inches
(In)
Australia, New Zealand & United Kingdom  United States, Canada & Mexico
15.70 0.618 49.32 1.94 J 1/2 5
16.10 0.634 50.58 1.99 L 5 1/2
16.51 0.650 51.87 2.04 M 6
16.71 0.658 52.50 2.07 M 1/2 6 1/4
16.92 0.666 53.16 2.09 N 6 1/2
17.13 0.674 53.82 2.12 N 1/2 6 3/4
17.35 0.683 54.51 2.15 O 7
17.45 0.687 54.82 2.16 O 1/2 7 1/4
17.75 0.699 55.76 2.20 P 7 1/2
17.97 0.707 56.45 2.22 P 1/2 7 3/4
18.19 0.716 57.15 2.25 Q 8
18.35 0.722 57.65 2.27 Q 1/2 8 1/4
18.61 0.733 58.47 2.30 R 8 5/8
18.80 0.740 59.06 2.32 R 1/2 8 7/8
18.89 0.748 59.34 2.35 R 3/4 9
19.10 0.752 60.00 2.36 S 9 1/8
19.31 0.760 60.66 2.39 S 1/2 9 3/8
19.51 0.768 61.29 2.41 T 9 5/8
19.84 0.781 62.33 2.45 T 1/2 10
20.02 0.788 62.89 2.48 U 10 1/4
20.20 0.797 63.46 2.50 U 1/2 10 1/2
20.32 0.800 63.84 2.51 V 10 5/8
20.68 0.814 64.97 2.56 V 1/2 11
20.76 0.817 65.22 2.57 W 11 1/8
20.94 0.824 65.78 2.59 W 1/2 11 3/8
21.18 0.834 66.54 2.62 X 11 5/8
21.30 0.839 66.92 2.64 X 1/2 11 7/8
21.49 0.846 67.51 2.66 Y 12
21.69 0.854 68.14 2.68 Y 1/2 12 1/4
21.89 0.862 68.77 2.71 Z 12 1/2
22.10 0.870 69.43 2.73 Z +1/2 12 3/4
22.33 0.879 70.15 2.76 Z+1 13


HOW TO CHECK YOUR RING SIZE:
Wrap a piece of string or a strip of paper around your ring finger. Make sure you can slip it comfortably off your finger over your knuckle. Use a ruler to measure the length of the string or paper. This is your finger's measurement.

MOON ZENITH RING SIZES:
As SJ source rings from Mexico, our ring sizes are the same as Mexico. Please see the ring size conversion chart above if required.

HINT:
Your fingers swell in the heat, so you will get a more accurate measurement when your hands are warm, not cold.

CHEEKY (BUT NICE) HINT:
If you are purchasing a ring as a gift and you want to keep it a surprise, secretly measure one of their rings.