Size Converter

Convert shoe sizes, ring sizes, and clothing sizes between US, UK, EU and international standards — all in one place.

Shoe Size Converter

Select your shoe size in any system to see the equivalent in all other standards.

Your size system

Your size

US Men —

US Women —

UK —

EU —

CM —

Inches —

US Men	US Women	UK	EU	CM	Inches
4	5.5	3.5	36	22	8.66″
4.5	6	4	36.5	22.5	8.86″
5	6.5	4.5	37	23	9.06″
5.5	7	5	37.5	23.5	9.25″
6	7.5	5.5	38	24	9.45″
6.5	8	6	39	24.5	9.65″
7	8.5	6.5	40	25	9.84″
7.5	9	7	40.5	25.5	10.04″
8	9.5	7.5	41	26	10.24″
8.5	10	8	42	26.5	10.43″
9	10.5	8.5	42.5	27	10.63″
9.5	11	9	43	27.5	10.83″
10	11.5	9.5	44	28	11.02″
10.5	12	10	44.5	28.5	11.22″
11	12.5	10.5	45	29	11.42″
12	13.5	11.5	46	30	11.81″
13	14.5	12.5	47	31	12.20″

Select your ring size in any system to see the equivalent in all other standards.

Your size system

Your size

US / Canada —

UK / Australia —

EU / France —

Diameter —

Circumference —

US / Canada	UK / AU	EU	Diameter (mm)	Circumference (mm)
4	H	46.5	14.8	46.5
4.5	I	47.8	15.2	47.8
5	J	49.3	15.7	49.3
5.5	K	50.6	16.1	50.6
6	L	51.9	16.5	51.9
6.5	M	53.1	16.9	53.1
7	N	54.4	17.3	54.4
7.5	O	55.7	17.7	55.7
8	P	57.0	18.1	57.0
8.5	Q	58.3	18.6	58.3
9	R	59.5	18.9	59.5
9.5	S	60.8	19.4	60.8
10	T	62.1	19.8	62.1
10.5	U	63.4	20.2	63.4
11	V	64.6	20.6	64.6
11.5	W	65.9	21.0	65.9
12	X	67.2	21.4	67.2
13	Z	69.7	22.2	69.7

Select your clothing size to see the equivalent across US, UK, EU and international sizing standards.

US	UK	EU	International	Bust (in)	Waist (in)	Hip (in)
0	4	32	XS	31.5	23.5	33.5
2	6	34	XS	32.5	24.5	34.5
4	8	36	S	33.5	25.5	35.5
6	10	38	S	34.5	26.5	36.5
8	12	40	M	35.5	27.5	37.5
10	14	42	M	36.5	28.5	38.5
12	16	44	L	37.5	29.5	39.5
14	18	46	L	39	31	41
16	20	48	XL	41	33	43
18	22	50	2XL	43	35	45
20	24	52	3XL	45	37	47

US / UK	EU	International	Chest (in)	Waist (in)	Hip (in)
32	42	XS	32–33	26–27	33–34
34	44	S	34–35	28–29	35–36
36	46	M	36–37	30–31	37–38
38	48	M	38–39	32–33	39–40
40	50	L	40–41	34–35	41–42
42	52	L	42–43	36–37	43–44
44	54	XL	44–45	38–39	45–46
46	56	2XL	46–47	40–41	47–48
48	58	3XL	48–49	42–43	49–50