Lucky Brand to NYDJ jeans size

The short answer

Lucky Brand 0 is NYDJ 00 by the two brands' own charts. 6 of 6 Lucky Brand sizes land on a different label at NYDJ.

Both brands publish the body waist each size is cut for, so every row matches a waist, not a tag.

Every Lucky Brand size read across to NYDJ. US numeric sizes on the left, US numeric on the right.
Lucky Brand	Lucky Brand builds it for	NYDJ, by chart	Same label	NYDJ builds it for	NYDJ also prints
0	waist 25.5 in, hip 36 in	00	00	waist 25 to 26 in, hip 35 to 36 in	Waist size 25 · Letter XXS
2	waist 26.5 in, hip 37 in	0	2	waist 26 to 27 in, hip 36 to 37 in	Waist size 26 · Letter XS
4	waist 27.5 in, hip 38 in	2	4	waist 27 to 28 in, hip 37 to 38 in	Waist size 27 · Letter XS
6	waist 28.5 in, hip 39 in	4	6	waist 28 to 29 in, hip 38 to 39 in	Waist size 28 · Letter S
8	waist 29.5 in, hip 40 in	6	8	waist 29 to 30 in, hip 39 to 40 in	Waist size 29 · Letter S
10	waist 30.5 in, hip 41 in	8	10	waist 30 to 31 in, hip 40 to 41 in	Waist size 30 · Letter M

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.

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Sources

Lucky Brand size guide, read on 2026-09-18.
NYDJ size guide, read on 2026-09-18. NYDJ on TrueToSize

NYDJ to Lucky Brand