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Unisex Finger Size Measuring Tool Ring Sizing Gauge Unisex Finger Size Measuring Tool Ring Sizing Gauge Usually Ships in 24 Hours
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Finger Sizing Tool and International Ring Size Chart

An International Ring Size Cross-Reference Chart to insure a perfect fit if you are purchasing from outside the United States. The chart below demonstrates the approximate ring size, a variation of a hundredth (.01) to two hundredths (.02) of an inch may occur across the different styles of ring designs. If you do not know your ring size check out one of our quick finger sizing tools below. Rings are not gender specific like shoes and clothes, a size 9 is still a size 9 - male or female.

Please note: The wider the ring, a larger size ring may be required. The inner diameter of the ring may be the same but a wider ring will feel tighter due to the amount of metal in contact with your finger. If you wear a size 7 ring in a thin 1.5mm wide band, a size 7 in a wider 8mm band may feel tight even knowing both rings are a size 7. We recommend sizing a half size or full size up if you are transferring from a thin band to a wider band. We offer exchanges in sizes if available and different designs if you do not like the one you received. We understand rings can feel different and must be comfortable to wear. See our return policy for details on exchanges in size or an exchange in design. We are easy to work with on all occurrences.

Updated on January 28, 2017.

Finger Measurement
String/Paper
Length Inch
Decimal
Finger Measurement
String/Paper
Length Inch
Fractions
Inner Ring
Diameter
in Inches
USA
Ring Size
Finger Measurement
String/Paper
Length Millimeters
Inner Ring
Diameter in
Millimeters
UK
Ring Size
European
Ring Size
Japanese
Ring Size
1.74 1 3/4 .553 3 44.20 14.05 F 45 or 5 5
1.85 1 27/32 .588 4 46.99 14.95 G 47 or 7 7
1.95 1 15/16 .620 5 49.53 15.75 H 49 or 9 9
2.05 2 1/16 .652 6 52.07 16.57 J 51 or 11 11
2.09 2 3/32 .665 6.5 53.09 16.55 K 52 or 12 12
2.16 2 5/32 .688 7 54.86 17.48 L 53 or 13 13
2.19 2 3/16 .697 7.5 55.63 17.72 M 54 or 14 14
2.25 2 1/4 .717 8 57.15 18.22 N 55 or 15 15
2.29 2 9/32 .730 8.5 58.17 18.55 O 56 or 16 16
2.34 2 11/32 .745 9 59.44 18.93 P 57 or 17 17
2.41 2 13/32 .767 9.5 61.21 19.48 Q 58 or 18 18
2.44 2 7/16 .778 10 61.98 19.78 R 59 or 19 19
2.50 2 1/2 .794 10.5 63.50 20.17 S 60 or 20 20
2.55 2 9/16 .812 11 64.77 20.62 T 61 or 21 21
2.66 2 21/32 .846 12 67.56 21.47 V 63 or 23 23
2.76 2 3/4 .878 13 70.10 22.28 X 65 or 25 25
2.87 2 7/8 .912 14 72.90 23.16 Z 67 or 27 27
2.95 2 15/16 .939 15 74.93 23.85 Z+2 69 or 29 29
3.05 3 1/16 .970 16 77.47 24.64 Z+4 71 or 31 31
3.16 3 5/32 1.005 17 80.26 25.53 Z+6 73 or 33 33
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