Le Mystere to Curvy Kate bra size

The short answer

Le Mystere 34G is Curvy Kate 34F by the two brands' own charts.

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

Every Le Mystere size read across to Curvy Kate. US sizes on the left, UK on the right.
Le Mystere	Curvy Kate, by chart	Same label	Curvy Kate also prints
34A	not made	not published	not published
34B	not made	not published	not published
34C	not made	not published	not published
34D	34D	not published	US D · EU D · FR D · AU D
34F	34E	not published	US DDD/F · EU F · FR F · AU E
34G	34F	not published	US G · EU G · FR G · AU F
34H	34FF	not published	US H · EU H · FR H · AU FF

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 Curvy Kate 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

Le Mystere size guide, read on 2026-09-18.
Curvy Kate size guide, read on 2026-09-18. Curvy Kate on TrueToSize

Curvy Kate to Le Mystere