Natori to SKIMS bra size

The short answer

Natori 34DDD is SKIMS 34F by the two brands' own charts. 1 of 7 Natori sizes land on a different label at SKIMS.

Cups are counted along each brand's own letter order, and the band is carried across unchanged.

Every Natori size read across to SKIMS. US sizes on the left, US on the right.
Natori	SKIMS, by chart	Same label	SKIMS also prints
34A	34A	not published	not published
34B	34B	not published	not published
34C	34C	not published	not published
34D	34D	not published	not published
34DD	34DD	not published	not published
34DDD	34F	not published	not published
34G	34G	not published	not published

Neither chart publishes the body each size is built for, so the rows line up the labels. 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

Natori size guide, read on 2026-09-17. Natori on TrueToSize
SKIMS size guide, read on 2026-09-17. SKIMS on TrueToSize

SKIMS to Natori