Berlei to Montelle Intimates bra size

The short answer

Berlei 12DD is Montelle Intimates 34E/DD by the two brands' own charts.

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

Every Berlei size read across to Montelle Intimates. AU sizes on the left, US on the right.
Berlei	Montelle Intimates, by chart	Same label	Montelle Intimates also prints
12A	34A	not published	FR A
12B	34B	not published	FR B
12C	34C	not published	FR C
12D	34D	not published	FR D
12DD	34E/DD	not published	FR E
12E	34F/DDD	not published	FR F
12F	34G	not published	FR G
12G	34H	not published	FR H
12H	34I	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

Berlei size guide, read on 2026-09-18.
Montelle Intimates size guide, read on 2026-09-18.

Montelle Intimates to Berlei