Ring Size Conversion Chart

The following chart will help you understand the international conversion of ring sizes. Before you get started, it's important to understand how to accurately measure your ring size. If you're unsure about how to measure, please refer to our 'How to Measure Your Ring Size' guide below.
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Remember, each country has its own ring sizing standard. The forthcoming chart covers international ring sizes in inches and centimeters for USA, Canada, United Kingdom, France & Germany. In most instances it is important to know the inch / centimeters measurements when buying or ordering a ring.

Ring Size Chart (Mens & Womens)

IN	MM	USA/CANADA	UNITED KINGDOM	FRANCE	GERMANY
1.74	44.2	3	F	44	14
1.77	44.8	3.25	F 1/2	44.625	14.25
1.79	45.5	3.5	G	45.25	14.5
1.82	46.1	3.75	G 1/2	45.875	14.75
1.84	46.8	4	H	46.5	15
1.87	47.4	4.25	H 1/2	47.125	15.25
1.89	48	4.5	I	47.75	15.5
1.92	48.7	4.75	J	48.375	---
1.94	49.3	5	J 1/2	49	15.75
1.97	50	5.25	K	49.625	16
1.99	50.6	5.5	K 1/2	50.25	16.25
2.02	51.2	5.75	L	50.875	---
2.04	51.9	6	L 1/2	51.5	---
2.07	52.5	6.25	M	52.125	16.75
2.09	53.1	6.5	M 1/2	52.75	---
2.12	53.8	6.75	N	53.375	17.25
2.14	54.4	7	N 1/2	54	---
2.17	55.1	7.25	O	54.625	17.75
2.19	55.7	7.5	O 1/2	55.25	---
2.22	56.3	7.75	P	55.875	18.25
2.24	57	8	P 1/2	56.5	18
2.27	57.6	8.25	Q	57.125	18.25
2.29	58.3	8.5	Q 1/2	57.75	18.5
2.32	58.9	8.75	R	58.375	18.75
2.34	59.5	9	R 1/2	59	19
2.37	60.2	9.25	S	59.625	19.25
2.39	60.8	9.5	S 1/2	60.25	19.5
2.42	61.4	9.75	T	60.875	19.75
2.44	62.1	10	T 1/2	61.5	20
2.47	62.7	10.25	U	62.125	20.25
2.49	63.4	10.5	U 1/2	62.75	20.5
2.52	64	10.75	V	63.375	---
2.54	64.6	11	V 1/2	64	20.75
2.57	65.3	11.25	W	64.625	---
2.59	65.9	11.5	W 1/2	65.25	21
2.62	66.6	11.75	X	65.875	---
2.65	67.2	12	X 1/2	66.5	21.25
2.68	68.1	12.25	Y	67.125	21.5
2.71	68.5	12.5	Z	67.75	21.75
2.72	69.1	12.75	Z 1/2	68.375	---
2.75	69.7	13	---	69	22

Conversion Tips:

Use the below table to find the corresponding size across different countries and size systems. Keep in mind that ring sizes are not universal. Therefore always note your ring size in cm or inches and double check the country.

United States, Canada and Mexico have a numerical measuring system. They are for whole and half sizes. United Kingdom, Australia, New Zealand, South Africa and Ireland specify their ring sizes with letters for full and half sizes.

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Ring Size Conversion Chart

How to Measure Your Ring Size

Ring Size Chart (Mens & Womens)

How to measure a ring size? How to find my ring size? How to measure your ring size at home? How to calculate your ring size? What is my ring size in inches or mm? What is size 6 ring in UK size? What is size 7 ring in US size? What's the ring size chart for men?

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