McCulloch Jewllers Ring Size Chart

Find Your Ring Size

USA Size	UK Size	Circumference (mm)
3	F	47.7 mm
3.5	F 1/2	48.4 mm
4	G	49.3 mm
4.5	G 1/2	50.0 mm
5	H	50.8 mm
5.5	H 1/2	51.5 mm
6	I	52.4 mm
6.5	I 1/2	53.1 mm
7	J	54.0 mm
7.5	J 1/2	54.7 mm
8	K	55.5 mm
8.5	K 1/2	56.4 mm
9	L	57.2 mm
9.5	L 1/2	58.0 mm
10	M	58.9 mm
10.5	M 1/2	59.6 mm
11	N	60.5 mm
11.5	N 1/2	61.4 mm
12	O	62.2 mm
12.5	O 1/2	63.1 mm
13	P	63.8 mm
13.5	P 1/2	64.7 mm
14	Q	65.6 mm
14.5	Q 1/2	66.4 mm
15	R	67.3 mm
15.5	R 1/2	68.2 mm
16	S	69.0 mm
16.5	S 1/2	69.9 mm
17	T	70.8 mm
17.5	T 1/2	71.6 mm
18	U	72.5 mm
18.5	U 1/2	73.4 mm
19	V	74.2 mm
19.5	V 1/2	75.1 mm
20	W	76.0 mm
20.5	W 1/2	76.9 mm
21	X	77.7 mm
21.5	X 1/2	78.6 mm
22	Y	79.5 mm
22.5	Y 1/2	80.4 mm
23	Z	81.3 mm
23.5	Z 1/2	82.1 mm
24	Z+1	83.0 mm
24.5	Z+2	83.9 mm

How do measure finger size?
To determine your ring size, measure the circumference of your finger using a soft measuring tape or a piece of string. Compare the measurement to the sizes listed above to find your perfect fit!

McCulloch Jewllers Ring Size Chart

Find Your Ring Size

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