Gap to Madewell jeans size
The short answer
Gap 10 is Madewell 29 by the two brands' own charts.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Gap | Gap builds it for | Madewell, by chart | Same label | Madewell builds it for | Madewell also prints |
|---|---|---|---|---|---|
| 000 | waist 24 in, hip 33.3 in | 23 | not published | waist 24 in, hip 34 in | not published |
| 000 | waist 24 in, hip 33.3 in | 23 | not published | waist 24 in, hip 34 in | not published |
| 000 | waist 24 in, hip 33.3 in | 23 | not published | waist 24 in, hip 34 in | not published |
| 2 | waist 26.5 in, hip 36.3 in | 25 or 26 | not published | waist 26 in, hip 36 in | not published |
| 4 | waist 27.5 in, hip 37.3 in | 26 or 27 | not published | waist 27 in, hip 37 in | not published |
| 6 | waist 28.5 in, hip 38.3 in | 27 or 28 | not published | waist 28 in, hip 38 in | not published |
| 8 | waist 29.5 in, hip 39.3 in | 28 or 29 | not published | waist 29 in, hip 39 in | not published |
| 10 | waist 30.5 in, hip 40.3 in | 29 | not published | waist 30.3 in, hip 40.3 in | not published |
| 12 | waist 32 in, hip 41.8 in | 30 | not published | waist 31.5 in, hip 41.5 in | not published |
| 14 | waist 33.5 in, hip 43.3 in | 31 | not published | waist 33 in, hip 43 in | not published |
| 16 | waist 35.5 in, hip 45.3 in | 33 or 32 | not published | waist 36.3 in, hip 46.3 in | not published |
| 18 | waist 37.5 in, hip 47.3 in | 14W | not published | waist 37 in, hip 47 in | not published |
| 20 | waist 39.5 in, hip 49.3 in | 16W | not published | waist 39 in, hip 49 in | not published |
| 22 | waist 41.5 in, hip 51.3 in | 18W | not published | waist 41 in, hip 51 in | not published |
What wearers say
Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.
Sources
- Gap size guide, read on 2026-09-17. Gap on TrueToSize
- Madewell size guide, read on 2026-09-17. Madewell on TrueToSize