7.8.0 Gap Size Guide | Gap® UK
Search Icon
Go to the homepage for clothes & more
Go to the homepage for clothes & more
  • Store Locator
Back
…
…

Gap Size Guide

Bust

Bust

Measure around the fullest part of your chest.

Waist

Waist

Measure around your natural waistline (find the natural crease by bending to one side).

Hips

Hips

Place your feet together and measure around the fullest part.

Inside Leg

Inside Leg

Run a tape measure from the top of your inside leg, down to your ankle bone.

Height

Height

With your bare feet together flat on the floor, and looking straight ahead, ask someone to measure you from the top of your head, down to the bottom of your heel.

Sleeve

Sleeve

With your arm bent at 90 degrees, place your hand on your hip. Measure from the back of your neck to your shoulder, elbow, and wrist.

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.

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.

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 Women's Clothing
Gaps Mens Clothing
Size Chest (IN)(CM) Neck (IN)(CM) Sleeve (IN)(CM)
XS 35 - 3689-91 13.5 - 1434-36 31 - 3279-81
S 37 - 3894-97 14 - 14.536-37 32 - 3381-84
M 39 - 4199-104 15 - 15.538-39 33 - 3484-86
L 42 - 44107-112 16 - 16.541-42 34 - 3586-89
XL 45 - 48114-122 17 - 17.543-44 35 - 35.589-90
XXL 49 - 52124-132 18 - 18.546-47 35.5 - 3690-91
XXXL 55140 18.7548 36.593
International Size
Size US EU UK
XS 36 46 36
S 38 48 38
M 40 50 40
L 43 53 43
XL 47 57 47
XXL 51 61 51
XXL 55 65 55
Shop Men's Clothing
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
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
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

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.

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
Shop Baby & Toddler Clothing
Confirm Country Change

Are you sure you want to navigate away from this site?

If you navigate away from this site
you will lose your shopping bag and its contents.

Cancel

Recently Viewed

View All
Clear History
Loading...

There are no Recently Viewed items to show. Items will appear here as you view them. You can then select the images to revisit the items.

Oops' Something's gone wrong! Please try again