Gap Clothing Size Chart
Tops for chest and waist. Pants & jeans for waist and hip.
Find your Gap size for tops or pants. Use Tops for chest and waist. Use Pants & jeans for waist and hip—including kids and maternity. Fit still varies by style, so re-check the product page.
← Scroll horizontally to view all columns →
| Size | US | UK | EU | JP | Chest (in) | Waist (in) | Hip (in) | Range |
|---|---|---|---|---|---|---|---|---|
| XS | XS | 36 | 46 | 91 | 35–36 | - | - | regular |
| S | S | 38 | 48 | 97 | 37–38 | - | - | regular |
| M | M | 40 | 50 | 102 | 39–41 | - | - | regular |
| L | L | 43 | 53 | 109 | 42–44 | - | - | regular |
| XL | XL | 47 | 57 | 119 | 45–48 | - | - | regular |
| XXL | XXL | 51 | 61 | 130 | 49–52 | - | - | regular |
| XXXL | XXXL | 55 | 65 | 140 | 55–55 | - | - | regular |
| XS Tall | XS | 36 | 46 | 91 | 34–36 | - | - | tall |
| S Tall | S | 38 | 48 | 97 | 36–38 | - | - | tall |
| M Tall | M | 40 | 50 | 102 | 39–41 | - | - | tall |
| L Tall | L | 43 | 53 | 109 | 42–44 | - | - | tall |
| XL Tall | XL | 47 | 57 | 119 | 45–47 | - | - | tall |
| XXL Tall | XXL | 51 | 61 | 130 | 48–50 | - | - | tall |
| XXXL Tall | XXXL | 55 | 65 | 140 | 51–53 | - | - | tall |
About this Gap size chart
Find your Gap size for tops or pants. Use Tops for chest and waist. Use Pants & jeans for waist and hip—including kids and maternity. Fit still varies by style, so re-check the product page.
What you can look up here
- Tops: Gap men’s, women’s, and kids’ charts when listed.
- Pants and jeans: women’s regular and maternity; men’s waist; kids’ girls and boys (including teen sizes).
- Maternity jeans may include US/UK/EU/JP labels alongside waist and hip.
How to measure
- Tops: Measure chest or bust and waist. Open Tops and pick Men’s, Women’s, or Kids.
- Pants: Measure waist and hip. Open Pants & jeans—use maternity under Fit type when shopping maternity bottoms, or Kids for children’s and teen pants.
- Between sizes: Size up for stretch denim or knits. For structured tops, stay with the closer chest match.
Fit types on this page
- Regular — standard adult and kids charts.
- Maternity — Gap women’s maternity jeans.
- Slim / plus / husky — kids pants when Gap lists separate tables.
Where these numbers come from
Numbers come from Gap’s published size guides. We last checked them on August 30, 2026.
Frequently asked questions
Does this Gap page include pants?
Yes. Open Pants & jeans for waist and hip (and maternity jeans). Kids pants—including teen sizes—are under the Kids tab there.
How do Gap and Old Navy sizes compare?
They’re sister brands but charts differ. Use each brand’s own table—don’t assume the same letter size fits both.
Where is Gap maternity sizing?
Under Pants & jeans, set Fit type to Maternity (women’s table).
How accurate is this Gap chart?
It follows Gap’s published guides (last checked August 30, 2026). Always confirm on the product page for that style.