Size Chart

Do you already have a ring that fits the finger you’re shopping for?

Use an app to measure your finger.

If you don't have a ring:

1. Use a ruler to measure the inner diameter of a ring that fits your desired finger (in mm).

2. Compare the measurement to the below chart.

Circumference	Diameter	USA	UK	French & German	Italian
46.81 mm	14.90 mm	3.75	H	47.00	7.00
47.44 mm	15.10 mm	4.00	H ½	47.50	7.50
48.07 mm	15.30 mm	4.25	I	48.00	8.00
48.69 mm	15.50 mm	4.50	I ½	48.50	8.50
49.32 mm	15.70 mm	4.75	J	49.50	9.50
49.95 mm	15.90 mm	5.00	J ½	50.00	10.00
50.58 mm	16.10 mm	5.25	K	50.50	10.50
51.21 mm	16.30 mm	5.50	K ½	51.00	11.00
51.84 mm	16.50 mm	5.75	L	52.00	12.00
52.46 mm	16.70 mm	6.00	L ½	52.50	12.50
53.09 mm	16.90 mm	6.25	M	53.00	13.00
54.72 mm	17.10 mm	6.50	M ½	54.00	14.00
54.35 mm	17.30 mm	6.75	N	54.50	14.50
54.98 mm	17.50 mm	7.00	N ½	55.00	15.00
55.61 mm	17.70 mm	7.25	O	55.75	15.75
56.23 mm	17.90 mm	7.50	O ½	56.25	16.25
56.86 mm	18.10 mm	7.75	P	57.00	17.00
57.49 mm	18.30 mm	8.00	P ½	57.25	17.25
58.12 mm	18.50 mm	8.25	Q	58.00	18.00
58.75 mm	18.70 mm	8.50	Q ½	58.50	18.50
59.38 mm	18.90 mm	8.75	R	59.50	19.50
60.00 mm	19.10 mm	9.00	R ½	60.00	20.00
60.63 mm	19.30 mm	9.25	S	60.50	20.50
61.26 mm	19.50 mm	9.50	S ½	61.25	21.25
61.89 mm	19.70 mm	9.75	T	62.00	22.00
62.52 mm	19.90 mm	10.00	T ½	62.50	22.50
63.15 mm	20.10 mm	10.25	U	63.00	23.00
63.77 mm	20.30 mm	10.50	U ½	64.00	24.00
64.40 mm	20.50 mm	10.75	V	64.25	24.25
65.03 mm	20.70 mm	11.00	V ½	65.00	25.00
65.66 mm	20.90 mm	11.25	W	65.50	25.50
66.29 mm	21.10 mm	11.50	W ½	66.50	26.50
66.92 mm	21.30 mm	11.75	X	67.00	27.00
67.54 mm	21.50 mm	12.00	X ½	67.50	27.50
68.17 mm	21.70 mm	12.25	Y	68.00	28.00
68.80 mm	21.90 mm	12.50	Y ½	69.00	29.00
69.43 mm	22.10 mm	12.75	Z	69.50	29.50
70.06 mm	22.30 mm	13.00	Z ½	70.00	30.00