A.P.C. to Old Navy jeans size
The short answer
A.P.C. 30 is Old Navy 12 or 14 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.
| A.P.C. | A.P.C. builds it for | Old Navy, by chart | Same label | Old Navy builds it for | Old Navy also prints |
|---|---|---|---|---|---|
| 24 | waist 26.5 in | 2 or 4 | not published | waist 26 in, hip 36.5 in | Letter XS |
| 25 | waist 27.5 in | 4 or 6 | not published | waist 27 in, hip 37.5 in | Letter S |
| 26 | waist 28.5 in | 6 or 8 | not published | waist 28 in, hip 38.5 in | Letter S |
| 27 | waist 29.5 in | 8 or 10 | not published | waist 29 in, hip 39.5 in | Letter M |
| 28 | waist 30.5 in | 10 | not published | waist 30 in, hip 40.5 in | Letter M |
| 29 | waist 31.5 in | 12 | not published | waist 31.5 in, hip 42 in | Letter L |
| 30 | waist 32.4 in | 12 or 14 | not published | waist 31.5 in, hip 42 in | Letter L |
| 31 | waist 33.4 in | 14 | not published | waist 33.5 in, hip 44 in | Letter L |
| 32 | waist 34.4 in | 14 | not published | waist 33.5 in, hip 44 in | Letter L |
| 33 | waist 35.4 in | 16 | not published | waist 36.3 in, hip 46.5 in | Letter XL |
| 34 | waist 36.4 in | 16 | not published | waist 36.3 in, hip 46.5 in | Letter XL |
| 35 | waist 37.4 in | 16 or 18 | not published | waist 36.3 in, hip 46.5 in | Letter XL |
| 36 | waist 38.4 in | 18 | not published | waist 39 in, hip 49 in | Letter XL |
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
- A.P.C. size guide, read on 2026-09-18.
- Old Navy size guide, read on 2026-09-17. Old Navy on TrueToSize