Ksubi to rag & bone jeans size

The short answer

Ksubi 0 is rag & bone 23 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.

Every Ksubi size read across to rag & bone. US numeric sizes on the left, Waist size on the right.
Ksubi	Ksubi builds it for	rag & bone, by chart	Same label	rag & bone builds it for	rag & bone also prints
0	waist 22.5 in, hip 33 in	23	not published	waist 23 in, hip 34.5 in	US numeric 00
1	waist 23.5 in, hip 34 in	23 or 24	23	waist 23 in, hip 34.5 in	US numeric 00
2	waist 24.5 in, hip 35 in	24 or 25	24	waist 24 in, hip 35.5 in	US numeric 0
3	waist 25.5 in, hip 36 in	25 or 26	25	waist 25 in, hip 36.5 in	US numeric 2
4	waist 26.5 in, hip 37 in	26 or 27	26	waist 26 in, hip 37.5 in	US numeric 4
5	waist 27.5 in, hip 38 in	27 or 28	27	waist 27 in, hip 38.5 in	US numeric 6
6	waist 28.5 in, hip 39 in	28 or 29	28	waist 28 in, hip 39.5 in	US numeric 8
7	waist 29.5 in, hip 40 in	29 or 30	29	waist 29 in, hip 40.5 in	US numeric 10
8	waist 30.5 in, hip 41 in	30 or 31	30	waist 30 in, hip 41.5 in	US numeric 10
9	waist 31.5 in, hip 42 in	31 or 32	31	waist 31 in, hip 42.5 in	US numeric 12
10	waist 32.5 in, hip 43 in	32	32	waist 32 in, hip 43.5 in	US numeric 14
11	waist 33.5 in, hip 44 in	32 or 34	not published	waist 32 in, hip 43.5 in	US numeric 14
12	waist 34.5 in, hip 45 in	34	34	waist 35 in, hip 45.5 in	US numeric 16

Tinted rows change label or sit between two sizes. Read from the two charts only; no formula and no averaging.

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.

Open in the converter Add an item you own

Sources

Ksubi size guide, read on 2026-09-18.
rag & bone size guide, read on 2026-09-18.

rag & bone to Ksubi