Uniqlo to Good American jeans size

The short answer

Uniqlo 28 is Good American 4 or 6 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 Uniqlo size read across to Good American. Waist size sizes on the left, US numeric on the right.
Uniqlo	Uniqlo builds it for	Good American, by chart	Same label	Good American builds it for	Good American also prints
22	waist 22 in	not made	not published	not published	not published
23	waist 23 in	not made	not published	not published	not published
24	waist 24 in	00	not published	waist 24.5 in, hip 36 in	not published
25	waist 25 in	00 or 0	not published	waist 24.5 in, hip 36 in	not published
26	waist 26 in	0 or 2	not published	waist 25.5 in, hip 37 in	not published
27	waist 27 in	2 or 4	not published	waist 26.5 in, hip 38 in	not published
28	waist 28 in	4 or 6	not published	waist 27.5 in, hip 39 in	not published
29	waist 29 in	6 or 8	not published	waist 28.5 in, hip 40 in	not published
30	waist 30 in	8	not published	waist 29.5 in, hip 41 in	not published
32	waist 32 in	12	not published	waist 32.5 in, hip 44 in	not published
34	waist 34 in	14	not published	waist 34 in, hip 45.5 in	not published

Tinted rows change label or sit between two sizes. 2 sizes have no counterpart on the Good American chart. 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.

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Sources

Uniqlo size guide, read on 2026-09-18. Uniqlo on TrueToSize
Good American size guide, read on 2026-09-18. Good American on TrueToSize

Good American to Uniqlo