American Eagle to Reformation jeans size
The short answer
American Eagle 10 is Reformation 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.
| American Eagle | American Eagle builds it for | Reformation, by chart | Same label | Reformation builds it for | Reformation also prints |
|---|---|---|---|---|---|
| 00 | waist 23.5 in, hip 33 in | 23 | not published | waist 23.5 in, hip 34 in | not published |
| 00 | waist 23.5 in, hip 33 in | 23 | not published | waist 23.5 in, hip 34 in | not published |
| 2 | waist 25.5 in, hip 35 in | 25 | not published | waist 25.5 in, hip 36 in | not published |
| 4 | waist 26.5 in, hip 36 in | 26 | not published | waist 26.5 in, hip 37 in | not published |
| 6 | waist 27.5 in, hip 37 in | 27 | not published | waist 27.5 in, hip 38 in | not published |
| 8 | waist 28.5 in, hip 38 in | 28 | not published | waist 28.5 in, hip 39 in | not published |
| 10 | waist 30 in, hip 39.5 in | 29 | not published | waist 30 in, hip 40.5 in | not published |
| 12 | waist 31.5 in, hip 41 in | 30 | not published | waist 31.5 in, hip 42 in | not published |
| 14 | waist 33 in, hip 42.5 in | 31 | not published | waist 33.3 in, hip 43.8 in | not published |
| 16 | waist 34.5 in, hip 44 in | 31 | not published | waist 33.3 in, hip 43.8 in | not published |
| 18 | waist 36.5 in, hip 46 in | 32 or 31 | not published | waist 38.5 in, hip 49 in | not published |
| 20 | waist 38.5 in, hip 48 in | 32 | not published | waist 38.5 in, hip 49 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
- American Eagle size guide, read on 2026-09-18. American Eagle on TrueToSize
- Reformation size guide, read on 2026-09-18. Reformation on TrueToSize