Acne Studios to Madewell jeans size

The short answer

Acne Studios 38 is Madewell 27 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 Acne Studios size read across to Madewell. US numeric sizes on the left, Waist size on the right.
Acne Studios	Acne Studios builds it for	Madewell, by chart	Same label	Madewell builds it for	Madewell also prints
30	waist 22 in, hip 32 in	not made	not published	not published	not published
32	waist 23.5 in, hip 33 in	23	not published	waist 24 in, hip 34 in	not published
34	waist 25 in, hip 34.5 in	24	not published	waist 25 in, hip 35 in	not published
36	waist 26.5 in, hip 36 in	25 or 26	not published	waist 26 in, hip 36 in	not published
38	waist 28 in, hip 37.5 in	27	not published	waist 28 in, hip 38 in	not published
40	waist 30 in, hip 39.5 in	29	not published	waist 30.3 in, hip 40.3 in	not published
42	waist 31.5 in, hip 42.5 in	30	not published	waist 31.5 in, hip 41.5 in	not published
44	waist 33 in, hip 44.5 in	31	not published	waist 33 in, hip 43 in	not published

Tinted rows change label or sit between two sizes. 1 sizes have no counterpart on the Madewell 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

Acne Studios size guide, read on 2026-09-18.
Madewell size guide, read on 2026-09-17. Madewell on TrueToSize

Madewell to Acne Studios