Berlei to Cleo by Panache bra size

The short answer

Berlei 12F is Cleo by Panache 34G 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 Cleo by Panache. AU sizes on the left, US on the right.
Berlei	Cleo by Panache, by chart	Same label	Cleo by Panache also prints
12A	not made	not published	not published
12B	not made	not published	not published
12C	not made	not published	not published
12D	34D	not published	UK D
12DD	34DD	not published	UK DD
12E	34DDD	not published	UK E
12F	34G	not published	UK F
12G	34H	not published	UK FF
12H	34I	not published	UK G

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. 3 sizes have no counterpart on the Cleo by Panache 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

Berlei size guide, read on 2026-09-18.
Cleo by Panache size guide, read on 2026-09-18. Cleo by Panache on TrueToSize

Cleo by Panache to Berlei