Need to determine the sizes for Rings, Bracelet and Necklaces?

Use our Int’l ring size conversion chart table in MM or Inches for different countries.

Bracelet Sizes
MM size Countries A Countries B Countries C Countries D Countries E
177.8 7.0” 17.7cm 17.7cm 7.0” 17.7cm
184.15 7.25” 18.4cm 18.4cm 7.25” 18.4cm
196.85 7.75” 19.7cm 19.7cm 7.75” 19.7cm
203.2 8.0” 20.3cm 20.3cm 8.0” 20.3cm
209.55 8.25” 20.9cm 20.9cm 8.25” 20.9cm
215.19 8.5” 21.5cm 21.5cm 8.5” 21.5cm
Chain Sizes
MM size Countries A Countries B Countries C Countries D Countries E
406.4 16” 40.6cm 40.6cm 16” 40.6cm
419.1 16.5” 41.9cm 41.9cm 16.5” 41.9cm
431.8 17” 43.2cm 43.2cm 17” 43.2cm
445.5 17.5” 44.6cm 44.6cm 17.5” 44.6cm
457.2 18” 45.7cm 45.7cm 18” 45.7cm
469.9 18.5” 46.9cm 46.9cm 18.5” 46.9cm
482.6 19” 48.2cm 48.2cm 19” 48.2cm
495.3 19.5” 49.5cm 49.5cm 19.5” 49.5cm
508 20” 50.8cm 50.8cm 20” 50.8cm
533.4 21” 53.3cm 53.3cm 21” 53.3cm
558.8 22” 55.9cm 55.9cm 22” 55.9cm
584.2 23” 58.4cm 58.4cm 23” 58.4cm
609.6 24” 60.9cm 60.9cm 24” 60.9cm
635 25” 63.5cm 63.5cm 25” 63.5cm
660.4 26” 66.0cm 66.0cm 26” 66.0cm
685.8 27” 68.6cm 68.6cm 27” 68.6cm
711.2 28” 71.1cm 71.1cm 28” 71.1cm
736.6 29” 73.7cm 73.7cm 29” 73.7cm
762 30” 76.2cm 76.2cm 30” 76.2cm
914.4 36” 91.4cm 91.4cm 36” 91.4cm
Gents Ring Sizes
MM size Countries A Countries B Countries C Countries D Countries E Countries F
17.75 P 56 1/2 7 1/2 15 17 3/4
17.8 16
17.97 P 1/2 7 3/4
18.1 17
18.19 Q 57 3/4 8 16 18
18.35 Q 1/2 8 1/4
18.53 Q 3/4 18 8 1/2 17 18 1/2
18.61 R 59 8 5/8
18.8 R 1/2 19 8 7/8
18.89 R 3/4 9 18 19
18.95
19
19.1 S 60 1/4 9 1/8
19.2 20
19.31 S 1/2 9 3/8
19.41 S 3/4 9 1/2 19 19 1/2
19.51 T 21 61 1/2 9 5/8
19.84 T 1/2 22 10 20 20
20.02 U 23 62 3/4 10 1/4 21
20.2 U 1/2 10 1/2 22 20 1/4
20.32 V 24 63 10 5/8
20.68 V 1/2 25 11 23 20 3/4
20.76 W 65 11 1/8
20.94 W 1/2 26 11 3/8
21
21.08 W 3/4 11 1/2 24 21
21.18 X 27 66 1/4 11 5/8
21.3 X 1/2 11 7/8
21.49 Y 28 67 1/2 12 25 21 1/4
21.69 Y 1/2 12 1/4
21.89 Z 29 68 3/4 12 1/2 26 21 3/4
22.1 Z + 1/2 12 3/4
22.33 Z + 1 13 27 22
22.6 Z + 1.5 13.5
22.69 Z + 2
22.92 Z + 2.5
23.06 Z + 3
23.24 Z + 3.5
23.47 Z + 4
23.55 Z + 4.5
23.87 Z + 5
24.27 Z + 6
Ladies Ring Sizes
MM size Countries A Countries B Countries C Countries D Countries E Countries F
9.91 0
10.72 0
11.53 0
11.95 A 1/2
12.18 A 1/2 3/4
12.37 B 1 1
12.6 B 1/2 1 1/4
12.78 C 1 1/2
13 C 1/2 1 3/4
13.21 D 1 1/2 41 1/2 2 2 13 1/2
13.41 D 1/2 2 1/4
13.61 E 2 3/4 42 3/4 2 1/2 3 13 3/4
13.83 E 1/2 2 3/4
14.05 F 4 44 3 4 14
14.15 F 1/2 3 1/8
14.36 G 5 45 1/4 3 3/8 5 14 1/2
14.45 G 1/4 3 1/2
14.56 G 1/2 3 5/8 6
14.65 H 6 46 1/2 3 3/4
14.86 H 1/2 7 4 7 15
15
15.04 I 47 3/4 4 1/4
15.27 I 1/2 8 4 1/2 8 15 1/4
15.4 J 49 4 5/8 15 1/2
15.7 J 1/2 9 5 9 15 3/4
15.8 K 50 5 1/8
15.9 5 1/4
16 K 1/2 10 5 3/8 10
16.1 L 51 3/4 5 1/2 16
16.2 11
16.41 L 1/2 5 7/8
16.51 M 12 52 3/4 6 12 16 1/2
16.71 M 1/2 6 1/4
16.8 13
16.92 N 54 6 1/2 13 17
17.13 N 1/2 6 3/4
17.2 14
17.35 O 55 1/4 7 14 17 1/4
17.45 O 1/2 15 7 1/4
17.75 P 56 1/2 7 1/2 15 17 3/4
17.8 16
17.97 P 1/2 7 3/4
18.1 17
18.19 Q 57 3/4 8 16 18
18.35 Q 1/2 8 1/4
18.53 Q 3/4 18 8 1/2 17 18 1/2
18.61 R 59 8 5/8
18.8 R 1/2 19 8 7/8
18.89 R 3/4 9 18 19
18.95
19
19.1 S 60 1/4 9 1/8
19.2 20
19.31 S 1/2 9 3/8
19.41 S 3/4 9 1/2 19 19 1/2
19.51 T 21 61 1/2 9 5/8
19.84 T 1/2 22 10 20 20