Berlei to Bras N Things bra size

The short answer

Berlei 12DD is Bras N Things 12DD by the two brands' own charts. 0 of 8 Berlei sizes land on a different label at Bras N Things.

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

Every Berlei size read across to Bras N Things. AU sizes on the left, AU on the right.
Berlei	Berlei builds it for	Bras N Things, by chart	Same label	Bras N Things builds it for	Bras N Things also prints
12A	not published	12A	not published	not published	UK A · US A · EU A · FR A
12B	not published	12B	not published	not published	UK B · US B · EU B · FR B
12C	not published	12C	not published	not published	UK C · US C · EU C · FR C
12D	not published	12D	not published	not published	UK D · US D · EU D · FR D
12DD	not published	12DD	not published	not published	UK DD · US DD · EU E · FR E
12E	not published	12E	not published	not published	UK E · US DDD · EU F · FR F
12F	not published	12F	not published	not published	UK F · US F · EU G · FR G
12G	not published	12G	not published	not published	UK G · US G · EU H · FR H
12H	not published	not made	not published	not published	not published

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

Berlei size guide, read on 2026-09-18.
Bras N Things size guide, read on 2026-09-18.

Bras N Things to Berlei