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Men's Ring Sizing Chart

How to Measure a Man's Finger for Ring Size

  1. Get Sized at a Jeweler:To ensure the most accurate ring size, we recommend you visit your local jeweler for a professional sizing.
  2. If You are Buying the Ring as a Surprise: Borrow one of your partner's rings and slide it down a tapered candle. Measure the circumference of the candle where the ring stops. Use one of the charts below to determine the correct ring size. Ask your partner's mother or a close friend if they know the ring size.
  3. Tips for Measuring a Man's Ring Size: Don't measure cold fingers, as this is when fingers are the smallest. The best time to measure a finger is at the end of the day when the finger is the largest. Take at least two measurements for accuracy.
  4. Size Yourself: Use either a thin strip of paper, or a piece of string. Wrap it around the base of the finger you want to measure. With a pen, mark the point on the paper or string where it overlaps, forming a circle on the finger. Measure the length of the paper or string from the starting point to the pen mark. Measure the length by using a flat ruler that measures either inches or milimeters. Milimeters are more accurate.

Ring Size Conversion Chart

Inside Circumference US - Canada British - Irish - Australian Japanese Swiss French German
Inches MM
1.840 46.8 4 H 7 6 1/2 46 1/2 15
1.890 48.0 4 1/2 I 1/2 8 7 3/4 47 3/4 15 1/2
1.940 49.3 5 J 1/2 9 9 49 15 3/4
1.990 50.6 5 1/2 K 1/2 10 10 1/4 50 1/4 16 1/4
2.041 51.8 6 L 1/2 11 12 3/4 51 1/2 16 1/2
2.091 53.1 6 1/2 M 1/2 13 14 52 3/4 17
2.141 54.4 7 N 1/2 14 15 1/4 54 17 1/4
2.192 55.7 7 1/2 O 1/2 15 16 1/2 55 1/4 17 1/2
2.242 56.9 8 P 1/2 16 17 3/4 56 1/2 18
2.292 58.2 8 1/2 Q 1/2 17 18 3/4 57 3/4 18 1/2
2.342 59.5 9 R 1/2 18 20 59 19
2.393 60.8 9 1/2 S 1/2 19 20 3/4 60 1/4 19 1/2
2.443 62.1 10 T 1/2 20 21 3/4 61 1/2 20
2.493 63.3 10 1/2 U 1/2 22 22 3/4 62 3/4 20 1/2
2.543 64.6 11 V 1/2 23 24 3/4 64 20 3/4
2.594 65.9 11 1/2 W 1/2 24 25 1/2 65 1/4 21
2.644 67.2 12 X 1/2 25 27 1/2 66 1/2 21 1/4
2.694 68.4 12 1/2 Z 26 28 3/4 67 3/4 21 3/4
2.744 69.7 13 Z 1 27 29 3/4 69 22
2.795 71 13 1/2 Z 2 29
2.845 72.3 14 Z 3 31
2.895 73.5 14 1/2 Z 4 32
2.945 74.8 15 Z 5 33
2.996 76.1 15 1/2 Z 6
3.046 77.4 16 Z 7
3.096 78.6 16 1/2 Z 8
3.146 79.9 17 Z 9
3.197 81.2 17 1/2
3.247 82.5 18

US - Canada | British - Irish - Australian | Japanese | Swiss | French | German

Inside Circumference (inches & mm) US - Canada (size)
1.840 & 46.8 4
1.890 & 48.0 4 1/2
1.940 & 49.3 5
1.990 & 50.6 5 1/2
2.041 & 51.8 6
2.091 & 53.1 6 1/2
2.141 & 54.4 7
2.192 & 55.7 7 1/2
2.242 & 56.9 8
2.292 & 58.2 8 1/2
2.342 & 59.5 9
2.393 & 60.8 9 1/2
2.443 & 62.1 10
2.493 & 63.3 10 1/2
2.543 & 64.6 11
2.594 & 65.9 11 1/2
2.644 & 67.2 12
2.694 & 68.4 12 1/2
2.744 & 69.7 13
2.795 & 71 13 1/2
2.845 & 72.3 14
2.895 & 73.5 14 1/2
2.945 & 74.8 15
2.996 & 76.1 15 1/2
3.046 & 77.4 16
3.096 & 78.6 16 1/2
3.146 & 79.9 17
3.197 & 81.2 17 1/2
3.247 & 82.5 18

US - Canada | British - Irish - Australian | Japanese | Swiss | French | German
Inside Circumference (inches & mm) British - Irish - Australian (size)
1.840 & 46.8 H
1.890 & 48.0 I 1/2
1.940 & 49.3 J 1/2
1.990 & 50.6 K 1/2
2.041 & 51.8 L 1/2
2.091 & 53.1 M 1/2
2.141 & 54.4 N 1/2
2.192 & 55.7 O 1/2
2.242 & 56.9 P 1/2
2.292 & 58.2 Q 1/2
2.342 & 59.5 R 1/2
2.393 & 60.8 S 1/2
2.443 & 62.1 T 1/2
2.493 & 63.3 U 1/2
2.543 & 64.6 V 1/2
2.594 & 65.9 W 1/2
2.644 & 67.2 X 1/2
2.694 & 68.4 Z
2.744 & 69.7 Z 1
2.795 & 71 Z 2
2.845 & 72.3 Z 3
2.895 & 73.5 Z 4
2.945 & 74.8 Z 5
2.996 & 76.1 Z 6
3.046 & 77.4 Z 7
3.096 & 78.6 Z 8
3.146 & 79.9 Z 9

US - Canada | British - Irish - Australian | Japanese | Swiss | French | German
Inside Circumference (inches & mm) Japanese (size)
1.840 & 46.8 7
1.890 & 48.0 8
1.940 & 49.3 9
1.990 & 50.6 10
2.041 & 51.8 11
2.091 & 53.1 13
2.141 & 54.4 14
2.192 & 55.7 15
2.242 & 56.9 16
2.292 & 58.2 17
2.342 & 59.5 18
2.393 & 60.8 19
2.443 & 62.1 20
2.493 & 63.3 22
2.543 & 64.6 23
2.594 & 65.9 24
2.644 & 67.2 25
2.694 & 68.4 26
2.744 & 69.7 27
2.795 & 71 29
2.845 & 72.3 31
2.895 & 73.5 32
2.945 & 74.8 33

US - Canada | British - Irish - Australian | Japanese | Swiss | French | German
Inside Circumference (inches & mm) Swiss (size)
1.840 & 46.8 6 1/2
1.890 & 48.0 7 3/4
1.940 & 49.3 9
1.990 & 50.6 10 1/4
2.041 & 51.8 12 3/4
2.091 & 53.1 14
2.141 & 54.4 15 1/4
2.192 & 55.7 16 1/2
2.242 & 56.9 17 3/4
2.292 & 58.2 18 3/4
2.342 & 59.5 20
2.393 & 60.8 20 3/4
2.443 & 62.1 21 3/4
2.493 & 63.3 22 3/4
2.543 & 64.6 24 3/4
2.594 & 65.9 25 1/2
2.644 & 67.2 27 1/2
2.694 & 68.4 28 3/4
2.744 & 69.7 29 3/4

US - Canada | British - Irish - Australian | Japanese | Swiss | French | German
Inside Circumference (inches & mm) French (size)
1.840 & 46.8 46 1/2
1.890 & 48.0 47 3/4
1.940 & 49.3 49
1.990 & 50.6 50 1/4
2.041 & 51.8 51 1/2
2.091 & 53.1 52 3/4
2.141 & 54.4 54
2.192 & 55.7 55 1/4
2.242 & 56.9 56 1/2
2.292 & 58.2 57 3/4
2.342 & 59.5 59
2.393 & 60.8 60 1/4
2.443 & 62.1 61 1/2
2.493 & 63.3 62 3/4
2.543 & 64.6 64
2.594 & 65.9 65 1/4
2.644 & 67.2 66 1/2
2.694 & 68.4 67 3/4
2.744 & 69.7 69

US - Canada | British - Irish - Australian | Japanese | Swiss | French | German
Inside Circumference (inches & mm) German (size)
1.840 & 46.8 15
1.890 & 48.0 15 1/2
1.940 & 49.3 15 3/4
1.990 & 50.6 16 1/4
2.041 & 51.8 16 1/2
2.091 & 53.1 17
2.141 & 54.4 17 1/4
2.192 & 55.7 17 1/2
2.242 & 56.9 18
2.292 & 58.2 18 1/2
2.342 & 59.5 19
2.393 & 60.8 19 1/2
2.443 & 62.1 20
2.493 & 63.3 20 1/2
2.543 & 64.6 20 3/4
2.594 & 65.9 21
2.644 & 67.2 21 1/4
2.694 & 68.4 21 3/4
2.744 & 69.7 22