Wacoal to Intimissimi bra size

The short answer

Wacoal 34D is Intimissimi 34D by the two brands' own charts. 0 of 6 Wacoal sizes land on a different label at Intimissimi.

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

Every Wacoal size read across to Intimissimi. US sizes on the left, US on the right.
Wacoal	Intimissimi, by chart	Same label	Intimissimi 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	34DDD	not published	not published
34G	not made	not published	not published
34H	not made	not published	not published
34I	not made	not published	not published
34J	not made	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. 4 sizes have no counterpart on the Intimissimi 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

Wacoal size guide, read on 2026-09-17. Wacoal on TrueToSize
Intimissimi size guide, read on 2026-09-18.

Intimissimi to Wacoal