Ksubi to Citizens of Humanity jeans size
The short answer
Ksubi 6 is Citizens of Humanity 28 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.
| Ksubi | Ksubi builds it for | Citizens of Humanity, by chart | Same label | Citizens of Humanity builds it for | Citizens of Humanity also prints |
|---|---|---|---|---|---|
| 0 | waist 22.5 in, hip 33 in | 22 | 22 | waist 22.5 in, hip 32.5 in | not published |
| 1 | waist 23.5 in, hip 34 in | 23 | 23 | waist 23.5 in, hip 33.5 in | not published |
| 2 | waist 24.5 in, hip 35 in | 24 | 24 | waist 24.5 in, hip 34.5 in | Letter XS |
| 3 | waist 25.5 in, hip 36 in | 25 | 25 | waist 25.5 in, hip 35.5 in | US numeric 0 · Letter XS |
| 4 | waist 26.5 in, hip 37 in | 26 | 26 | waist 26.5 in, hip 36.5 in | US numeric 2 · Letter S |
| 5 | waist 27.5 in, hip 38 in | 27 | 27 | waist 27.5 in, hip 37.5 in | US numeric 4 · Letter S |
| 6 | waist 28.5 in, hip 39 in | 28 | 28 | waist 28.5 in, hip 38.5 in | US numeric 6 · Letter M |
| 7 | waist 29.5 in, hip 40 in | 29 | 29 | waist 29.5 in, hip 39.5 in | US numeric 8 · Letter M |
| 8 | waist 30.5 in, hip 41 in | 30 | 30 | waist 30.5 in, hip 40.5 in | US numeric 10 · Letter L |
| 9 | waist 31.5 in, hip 42 in | 31 | 31 | waist 31.5 in, hip 41.5 in | US numeric 10 · Letter L |
| 10 | waist 32.5 in, hip 43 in | 32 | 32 | waist 32.5 in, hip 42.5 in | US numeric 12 · Letter XL |
| 11 | waist 33.5 in, hip 44 in | 33 | 33 | waist 33.5 in, hip 43.5 in | US numeric 12 · Letter XL |
| 12 | waist 34.5 in, hip 45 in | 34 | 34 | waist 34.5 in, hip 44.5 in | US numeric 14 |
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
- Ksubi size guide, read on 2026-09-18.
- Citizens of Humanity size guide, read on 2026-09-18. Citizens of Humanity on TrueToSize