Good American to Old Navy jeans size
The short answer
Good American 10 is Old Navy 12 by the two brands' own charts. 11 of 19 Good American sizes land on a different label at Old Navy.
Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.
| Good American | Good American builds it for | Old Navy, by chart | Same label | Old Navy builds it for | Old Navy also prints |
|---|---|---|---|---|---|
| 00 | waist 24.5 in, hip 36 in | 00 or 0 | 00 | waist 24 in, hip 34.5 in | Letter XXS |
| 00 | waist 24.5 in, hip 36 in | 00 or 0 | 00 | waist 24 in, hip 34.5 in | Letter XXS |
| 2 | waist 26.5 in, hip 38 in | 2 or 4 | 2 | waist 26 in, hip 36.5 in | Letter XS |
| 4 | waist 27.5 in, hip 39 in | 4 or 6 | 4 | waist 27 in, hip 37.5 in | Letter S |
| 6 | waist 28.5 in, hip 40 in | 6 or 8 | 6 | waist 28 in, hip 38.5 in | Letter S |
| 8 | waist 29.5 in, hip 41 in | 8 or 10 | 8 | waist 29 in, hip 39.5 in | Letter M |
| 10 | waist 31 in, hip 42.5 in | 12 | 10 | waist 31.5 in, hip 42 in | Letter L |
| 12 | waist 32.5 in, hip 44 in | 12 or 14 | 12 | waist 31.5 in, hip 42 in | Letter L |
| 14 | waist 34 in, hip 45.5 in | 14 | 14 | waist 33.5 in, hip 44 in | Letter L |
| 15 Plus | waist 37 in, hip 48 in | 16 | not published | waist 36.3 in, hip 46.5 in | Letter XL |
| 16 Plus | waist 39 in, hip 50 in | 18 | not published | waist 39 in, hip 49 in | Letter XL |
| 18 Plus | waist 41 in, hip 52 in | 20 | not published | waist 42 in, hip 51.5 in | Letter XXL / 2X |
| 20 Plus | waist 43 in, hip 54 in | 20 or 22 | not published | waist 42 in, hip 51.5 in | Letter XXL / 2X |
| 22 Plus | waist 45 in, hip 56 in | 22 | not published | waist 44.3 in, hip 53.8 in | Letter 2X |
| 24 Plus | waist 47 in, hip 58 in | 24 | not published | waist 46.6 in, hip 56.1 in | Letter 3X |
| 26 Plus | waist 49 in, hip 60 in | 26 | not published | waist 49 in, hip 58.5 in | Letter 3X |
| 28 Plus | waist 51 in, hip 62 in | 28 | not published | waist 51.5 in, hip 61 in | Letter 4X |
| 30 Plus | waist 53 in, hip 64 in | 30 or 28 | not published | waist 54 in, hip 63.5 in | Letter 4X |
| 32 Plus | waist 55 in, hip 66 in | 30 | not published | waist 54 in, hip 63.5 in | Letter 4X |
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
- Good American size guide, read on 2026-09-18. Good American on TrueToSize
- Old Navy size guide, read on 2026-09-17. Old Navy on TrueToSize