ThirdLove to Glamorise bra size

The short answer

ThirdLove 34E is Glamorise 34DD by the two brands' own charts. 1 of 7 ThirdLove sizes land on a different label at Glamorise.

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

Every ThirdLove size read across to Glamorise. US sizes on the left, US on the right.
ThirdLove	Glamorise, by chart	Same label	Glamorise also prints
34A	not made	not published	not published
34B	34B	not published	not published
34C	34C	not published	not published
34D	34D	not published	not published
34E	34DD	not published	not published
34F	34F	not published	not published
34G	34G	not published	not published
34H	34H	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. 1 sizes have no counterpart on the Glamorise 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

ThirdLove size guide, read on 2026-09-17. ThirdLove on TrueToSize
Glamorise size guide, read on 2026-09-17. Glamorise on TrueToSize

Glamorise to ThirdLove