Vintage International Size Guide & Measurements

International Size Guide

This is an international size guide to help you find your best fit. Because we sell vintage and secondhand clothing, sizing can vary significantly between brands, decades, and countries of origin.

Always check the item's actual measurements when available, and when in doubt, review the measurements in our images. If you'd like a specific measurement, please reach out.

Every measurement here is taken with the garment laid flat and measured straight across with a ruler — never measured around the body. The easiest way to find your size is to measure a piece you already own that fits you well, laid flat, and compare.

Units:

How to measure: Lay a top that fits you flat and smooth out wrinkles. Measure straight across from armpit to armpit. Compare to the chart below.

Alpha Size	US/CA	PT/FR	IT	DE/EU	UK/AU	Pit to pit (cm)	Pit to pit (in)
XXS	0	32	36	30	4	41–43	16–17
XS	2	34	38	32	6	43–45	17–17.5
S	4	36	40	34	8	45–47	17.5–18.5
M	6	38	42	36	10	47–49	18.5–19.5
L	8	40	44	38	12	49–51	19.5–20
XL	10	42	46	40	14	51–53	20–21
2XL	12	44	48	42	16	53–55	21–21.5
3XL	14	46	50	44	18/20	55–57	21.5–22.5

How to measure: Lay trousers that fit you flat. Measure straight across the top edge of the waistband, side to side. Compare to the chart below.

Alpha Size	US/CA	PT/FR	IT	DE/EU	UK/AU	Waist flat (cm)	Waist flat (in)
XXS	0	32	36	30	4	30–32	12–12.5
XS	2	34	38	32	6	32–34	12.5–13.5
S	4	36	40	34	8	34–36	13.5–14
M	6	38	42	36	10	36–38	14–15
L	8	40	44	38	12	38–40	15–15.5
XL	10	42	46	40	14	40–42	15.5–16.5
2XL	12	44	48	42	16	42–44	16.5–17.5
3XL	14	46	50	44	18/20	44–46	17.5–18
4XL	16	48	52	46	22	46–48	18–19

Tagged sizes vary by brand, country, decade, fabric, and alterations — please use the listed measurements first.

How to measure: Lay a dress that fits you flat. Measure straight across from armpit to armpit (pit to pit) and straight across the narrowest part of the waist. We size by whichever lands smaller.

Alpha Size	US/CA	PT/FR	IT	DE/EU	UK/AU	Pit to pit (cm)	Pit to pit (in)	Waist flat (cm)	Waist flat (in)
XXS	0	32	36	30	4	41–43	16–17	30–32	12–12.5
XS	2	34	38	32	6	43–45	17–17.5	32–34	12.5–13.5
S	4	36	40	34	8	45–47	17.5–18.5	34–36	13.5–14
M	6	38	42	36	10	47–49	18.5–19.5	36–38	14–15
L	8	40	44	38	12	49–51	19.5–20	38–40	15–15.5
XL	10	42	46	40	14	51–53	20–21	40–42	15.5–16.5
2XL	12	44	48	42	16	53–55	21–21.5	42–44	16.5–17.5
3XL	14	46	50	44	18/20	55–57	21.5–22.5	44–46	17.5–18

How to measure: Use the EU number printed on the shoe, or measure your foot flat from heel to longest toe and match the length below.

EU	US	UK	Foot length (cm)	Foot length (in)
35	4.5	2.5	22 cm	8.7 in
36	5.5	3.5	22.5 cm	8.9 in
37	6	4	23.5 cm	9.3 in
38	7	5	24 cm	9.4 in
38.5	8	5.5	24.3 cm	9.6 in
39	8.5	6	25 cm	9.8 in
40	9	6.5	25.5 cm	10.0 in
41	10	7.5	26 cm	10.2 in
42	10.5	8	26.7 cm	10.5 in
43	11.5	9	27.5 cm	10.8 in

How to measure: Lay a top that fits you flat and smooth out wrinkles. Measure straight across from armpit to armpit. Compare to the chart below.

Alpha Size	EU/PT	UK/US/AU Chest	Pit to pit (cm)	Pit to pit (in)
XXS	42	32	44–46	17.5–18
XS	44	34	46–48	18–19
S	46	36	48–51	19–20
M	48	38	51–54	20–21.5
L	50	40	54–56	21.5–22
XL	52	42	56–58	22–23
2XL	54	44	58–61	23–24
3XL	56	46	61–64	24–25
4XL	58	48	64–66	25–26

How to measure: Lay trousers that fit you flat. Measure straight across the top edge of the waistband, side to side. Compare to the chart below.

Alpha Size	US/UK/AU Waist	PT/FR	IT	Waist flat (cm)	Waist flat (in)
XXS	26	34	42	33–35	13–14
XS	28	36	44	35–37	14–14.5
S	30	38	46	37–39	14.5–15.5
M	32	40	48	39–41	15.5–16
L	34	42	50	41–44	16–17.5
XL	36	44–46	52	44–47	17.5–18.5
2XL	38–41	46–49	54–57	47–51	18.5–20
3XL	41–44	49–52	57–60	51–55	20–21.5
4XL	44–47	52–55	60–63	55–59	21.5–23

How to measure: Use the EU number printed on the shoe, or measure your foot flat from heel to longest toe and match the length below.

EU	US	UK	Foot length (cm)	Foot length (in)
39	6.5	5.5	24.5 cm	9.6 in
40	7	6.5	25 cm	9.8 in
41	8	7	26 cm	10.2 in
42	8.5	8	26.7 cm	10.5 in
43	9.5	9	27.5 cm	10.8 in
44	10	9.5	28.3 cm	11.1 in
45	11	10.5	29 cm	11.4 in
46	11.5	11	29.7 cm	11.7 in
47	12.5	12	30.5 cm	12.0 in
48	13.5	13	31 cm	12.2 in

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