Uniqlo to Ksubi jeans size
The short answer
Uniqlo 27 is Ksubi 4 or 5 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.
| Uniqlo | Uniqlo builds it for | Ksubi, by chart | Same label | Ksubi builds it for | Ksubi also prints |
|---|---|---|---|---|---|
| 22 | waist 22 in | 0 | not published | waist 22.5 in, hip 33 in | Waist size 22 · Letter XXS |
| 23 | waist 23 in | 0 or 1 | not published | waist 22.5 in, hip 33 in | Waist size 22 · Letter XXS |
| 24 | waist 24 in | 1 or 2 | not published | waist 23.5 in, hip 34 in | Waist size 23 · Letter XXS |
| 25 | waist 25 in | 2 or 3 | not published | waist 24.5 in, hip 35 in | Waist size 24 · Letter XS |
| 26 | waist 26 in | 3 or 4 | not published | waist 25.5 in, hip 36 in | Waist size 25 · Letter XS |
| 27 | waist 27 in | 4 or 5 | not published | waist 26.5 in, hip 37 in | Waist size 26 · Letter S |
| 28 | waist 28 in | 5 or 6 | not published | waist 27.5 in, hip 38 in | Waist size 27 · Letter S |
| 29 | waist 29 in | 6 or 7 | not published | waist 28.5 in, hip 39 in | Waist size 28 · Letter M |
| 30 | waist 30 in | 7 or 8 | not published | waist 29.5 in, hip 40 in | Waist size 29 · Letter M |
| 32 | waist 32 in | 9 or 10 | not published | waist 31.5 in, hip 42 in | Waist size 31 · Letter L |
| 34 | waist 34 in | 11 or 12 | not published | waist 33.5 in, hip 44 in | Waist size 33 · 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
- Uniqlo size guide, read on 2026-09-18. Uniqlo on TrueToSize
- Ksubi size guide, read on 2026-09-18.