J.Crew to Gap clothing size
The short answer
J.Crew 000 is Gap 00 by the two brands' own charts. 10 of 13 J.Crew sizes land on a different label at Gap.
Both brands publish the body bust each size is cut for, so every row matches a bust, not a letter or a number.
| J.Crew | J.Crew builds it for | Gap, by chart | Same label | Gap builds it for | Gap also prints |
|---|---|---|---|---|---|
| 000 | bust 31 in, waist 23 in | 00 | 000 | bust 31.3 in, waist 24.8 in, hip 34.3 in | Letter XXS |
| 000 | bust 31 in, waist 23 in | 00 | 000 | bust 31.3 in, waist 24.8 in, hip 34.3 in | Letter XXS |
| 000 | bust 31 in, waist 23 in | 00 | 000 | bust 31.3 in, waist 24.8 in, hip 34.3 in | Letter XXS |
| 2 | bust 34 in, waist 26 in | 4 | 2 | bust 34.3 in, waist 27.5 in, hip 37.3 in | Letter S |
| 4 | bust 35 in, waist 27 in | 6 | 4 | bust 35.3 in, waist 28.5 in, hip 38.3 in | Letter S |
| 6 | bust 36 in, waist 28 in | 8 | 6 | bust 36.3 in, waist 29.5 in, hip 39.3 in | Letter M |
| 8 | bust 37 in, waist 29 in | 10 | 8 | bust 37.3 in, waist 30.5 in, hip 40.3 in | Letter M |
| 10 | bust 38 in, waist 30 in | 10 or 12 | 10 | bust 37.3 in, waist 30.5 in, hip 40.3 in | Letter M |
| 12 | bust 39.5 in, waist 31.5 in | 12 or 14 | 12 | bust 38.8 in, waist 32 in, hip 41.8 in | Letter L |
| 14 | bust 41 in, waist 33 in | 14 or 16 | 14 | bust 40.3 in, waist 33.5 in, hip 43.3 in | Letter L |
| 16 | bust 43.5 in, waist 35.5 in | 18 | 16 | bust 43.8 in, waist 37.5 in, hip 47.3 in | Letter XL |
| 18 | bust 46 in, waist 38 in | 20 | 18 | bust 45.8 in, waist 39.5 in, hip 49.3 in | Letter XXL |
| 20 | bust 48.5 in, waist 40.5 in | 22 | 20 | bust 47.8 in, waist 41.5 in, hip 51.3 in | Letter XXL |
| 22 | bust 51 in, waist 43 in | not made | 22 | not published | not published |
| 24 | bust 53.5 in, waist 45.5 in | not made | not published | not published | not published |
What wearers say
Charts describe a garment, not a fit. We do not collect fit reports for this category yet, so this table is the two brands' own claims and nothing more.
Sources
- J.Crew size guide, read on 2026-09-18.
- Gap size guide, read on 2026-09-18. Gap on TrueToSize