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Gap Size Guide

Bust

Waist

Hips

Inside Leg

Height

Sleeve

Finding your perfect fit at Gap is easier than ever with our handy size guides, conversion charts and measuring tips. We're here to help you select the right size, first time, so you can add your new favourite pieces to your shopping bag with confidence.

Explore our various charts for women's clothing and jeans, men's clothing and jeans, and even our guides for girls, boys, and baby & toddler. Sizes and exact fits may vary between clothing types and fabrics, for example our jeans will have different sizing formats to our trousers and dresses, so it’s always best to check the specific size guides provided on the individual product pages for the most accurate information.

INCH CM

Women's Jeans

Jean Size	UK Size	Alpha Size	US Size	Waist (IN)(CM)	Hips (IN)(CM)
24	4	XXS	00	24.5 62	34.25 87
25	6	XS	0	25.5 65	35.25 89.5
26	8	S	2	26.5 67	36.25 92
27	8-10	S	4	27.5 69	37.25 94.5
28	10	S	6	28.5 72	38.25 97
29	12	M	8	29.5 75	39.25 100
30	12-14	M	10	30.5 77	40.25 102
31	14	M	12	32 81	41.75 106
32	16	L	14	33.5 85	43.25 110
33	18	XL	16	35.5 90	45.25 115
34	20	XXL	18	37.5 95	47.25 120

Inside Leg

Size	Full Length (IN)(CM)	Ankle Length (IN)(CM)
Petite (P)	27.5 70	25 63.5
Short (S)	29 74	26 66
Regular (R)	30 76	27.5 70
Long (L)	31-1 83	29.5 75
Tall	34 86	32 81

International Sizing

Jean Size	UK	EU	US
24	4	32	00
25	6	34	0
26	8	36	2
27	8-10	36-38	4
28	10	38	6
29	12	40	8
30	12-14	40-42	10
31	14	42	12
32	16	44	14
33	18	46	16
34	20	48	18

Please note: Our jeans are listed in waist sizes (inches). Please refer to the table above to select the right size for you. Always try on your jeans for a true fit. Please note: Our garments may be labelled with U.S. sizing when you receive your item.

Shop Women's Jeans

Gap’s been making great-fitting jeans since 1969, so finding the right style to suit your height and measurements is everything. We’ve also been making hoodies and sweatshirts for over 30 years including our iconic Gap logo hoodies in oversized, fitted and cropped designs. We recommend you read the product description as well as referring to our size guides, which will provide more details on the fit you can expect between our different styles.

To discover our how to measure jeans guide, click here.

INCH CM

Womens Clothing

Size	UK	Bust (IN)(CM)	Waist (IN)(CM)	Hip (IN)(CM)
2XS/XXS	2	3179	24.562	3486
XS	4-6	32-3381-84	25.5-26.565-67	35-3689-91
S	8-10	34-3586-89	27.5-28.570-72	37-3894-96.5
M	12-14	36-3791-94	29.5-30.575-77.5	39-4099-102
L	16-18	38-4096.5-102	32-33.581-85	41.5-43105-109
XL	20-22	42-43107-109	35.5-37.590-95	45-47114-119
2XL/XXL	24	45-47114-119	39.5-41.5100-105	49-51124-129.5

International Sizes

SIZE	UK	EU	US
2XS / XXS	2	30	00
XS	4–6	32–34	0–2
S	8–10	36–38	4–6
M	12–14	40–42	8–10
L	16–18	44–46	12–14
XL	20–22	48–50	16–18
2XL / XXL	24	52	20

Shop Men's Clothing

INCH CM

Mens Jeans

Size	Waist (IN)(CM)
28	28 71
30	30 76
31	31 79
32	32 82
33	33 84
34	34 87
36	36 92
38	38 97
40	40 101
42	42 107

Mens XS - XXL Jeans

Jean Size	Waist (IN)(CM)
XS	28-29 71-74
S	30-31 76-79
M	32-34 81-86
L	35-37 89-94
XL	38-41 97-104
XXL	42-45 107-114

Inside Leg

Size	Inseam (IN)(CM)
Short	30 76
Regular	32 81.5
Long	34 86

Shop Men's Jeans

INCH CM

Girls Clothing

Age	Size	Height (IN)(CM)	Weight LB (IN) KG (CM)	Sleeve (IN)(CM)	Chest (IN)(CM)
4 - 5 Years	XS	39 - 45 99 - 114	33 - 44 lb 15 - 20 kg	18.5 - 20 47 - 51	23 - 24 58 - 61
6 - 7 Years	S	45 - 52 114 - 134	45 - 64 lb 20 - 29 kg	21.5 - 23 55 - 58	25 - 26 64 - 66
8 - 9 Years	M	52 - 54 134 - 137	64 - 72 lb 29 - 33 kg	24.5 62	27 69
10 - 11 Years	L	54 - 57 137 - 145	72 - 81 lb 33 - 37 kg	25.5 65	28.5 72
12 Years	XL	57 - 60 145 - 152	82 - 93 lb 37 - 42 kg	27 69	30 76
13 Years	XXL	60 - 64 152 - 163	94 - 115 lb 42 - 52 kg	28.5 - 29.5 72 - 75	31 - 33 80-84

INTERNATIONAL SIZING

UK	US	Alpha
4 Years	4	XS
5 Years	5	XS
6 Years	6	S
7 Years	7	S
8 - 9 Years	8	M
10 -11 Years	10	L
12 Years	12	XL
13 Years	14	XXL
14 Years	16
15 Years	18
16 Years	20

Shop Older Girls' Clothing

INCH CM

Boys Clothing

Age	Size	Height (IN)(CM)	Weight LB (IN) KG (CM)	Sleeve (IN)(CM)	Chest (IN)(CM)
4 - 5 Years	XS	39 - 45 99 - 114	33 - 48 lb 15 - 22 kg	18.5 - 20 47 - 51	23 - 24 58 - 61
6 - 7 Years	S	45 - 51 114 - 130	46 - 61 lb 21 - 28 kg	21.5 - 23 55 - 58	25 - 26 64 - 66
8 - 9 Years	M	51 - 54 130 - 137	61 - 72 lb 28 - 33 kg	24.5 62	27 69
10 - 11 Years	L	54 - 57 137 - 145	73 - 84 lb 33 - 38 kg	26 66	28 71
12 Years	XL	57 - 60 145 - 152	85 - 96 lb 39 - 44 kg	27.5 70	29 74
13 Years	XXL	60 - 67 152 - 170	97 - 130 lb 44 - 54 kg	29 - 30.5 74 - 77	30 - 31 76

INTERNATIONAL SIZING

UK	US	Alpha
4 Years	4	XS
5 Years	5	XS
6 Years	6	S
7 Years	7	S
8 - 9 Years	8	M
10 -11 Years	10	L
12 Years	12	XL
13 Years	14	XXL
14 Years	16	-
15 Years	18	-
16 Years	20	-

Shop Older Boys' Clothing

INCH CM

Children's Clothing

Age	Height(IN)(CM)	Weight(LB)(KG)	Chest(IN)(CM)	Waist(IN)(CM)	Hips(IN)(CM)	Sleeve(IN)(CM)
6 - 12 Months	27 - 29 69 - 74	17 - 22 lbs 8 - 10 kg	- -	- -	- -	- -
12 - 18 Months	29 - 31 74 - 79	22 - 27 lb 10 - 12 kg	19 48	18.5 48	20.5 51	14.5 36
18 - 24 Months	31 - 33 79 - 84	27 - 30 lb 12 - 14 kg	19.5 50	19.5 49.5	21 53	15.5 39
2 Years	33 - 36 84 - 91	30 - 33 lb 14 - 15 kg	20 52	20 51	21.5 55	16.5 42
3 Years	36 - 39 91 - 99	33 - 36 lb 15 - 16 kg	20.5 54	20.5 52	22.5 56.5	17.5 44
4 Years	39 - 42 99 - 107	36 - 40 lb 16 - 18 kg	21 56	21 53	23 58	18.5 47
5 Years	42 - 45 107 - 114	40 - 46 lb 18 - 21 kg	21.5 58	21.5 55	23.5 60	20 51

Children's Inside Leg

Age	Inseam (IN)(CM)
6 - 12 Months	8 20
12 - 18 Months	9.5 24
18 - 24 Months	11 28
2 Years	13 32
3 Years	14 35.5
4 Years	15.75 40
5 Years	17.5 44

Shop Younger Kids Clothing

Our babywear makes the perfect gift for newborns, due to our exceptional quality, ensuring colour and shape is maintained wash after wash. We recommend buying a size up, so your gift can be worn and loved for even longer.

INCH CM

Baby Clothing

UK	Height (IN)(LB)	Weight LB (IN)KG (CM)
Up to 7 lbs	Up to 18inUp to 7 lbs	Up to 46Up to 3 kg
0 - 3 Months	18 - 237 - 12 lbs	46 - 583 - 5 kg
3 - 6 Months	23 - 2712 - 17 lbs	58 - 695 - 8 kg
6 - 12 Months	27 - 2917 - 22 lbs	69 - 748 - 10 kg
12 - 18 Months	29 - 3122 - 27 lbs	74 - 7910 - 12 kg
18 - 24 Months	31 - 3327 - 30 lbs	79 - 8412 - 14 kg