Nike to PrimaDonna bra size

The short answer

Nike 34E is PrimaDonna 75E by the two brands' own charts.

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

Every Nike size read across to PrimaDonna. US sizes on the left, EU on the right.
Nike	Nike builds it for	PrimaDonna, by chart	Same label	PrimaDonna builds it for	PrimaDonna also prints
34A	not published	not made	not published	not published	not published
34B	not published	75B	not published	not published	UK B · US B
34C	not published	75C	not published	not published	UK C · US C
34D	not published	75D	not published	not published	UK D · US D
34E	not published	75E	not published	not published	UK E · US DD
34F	not published	75F	not published	not published	UK F · US DDD
34G	not published	75G	not published	not published	UK G · US G

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

Open in the converter Add an item you own

Sources

Nike size guide, read on 2026-09-18. Nike on TrueToSize
PrimaDonna size guide, read on 2026-09-18.

PrimaDonna to Nike