Playtex to Harper Wilde bra size

The short answer

Playtex 34D is Harper Wilde 34D by the two brands' own charts. 0 of 5 Playtex sizes land on a different label at Harper Wilde.

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

Every Playtex size read across to Harper Wilde. US sizes on the left, US on the right.
Playtex	Harper Wilde, by chart	Same label	Harper Wilde also prints
34B	34B	not published	not published
34C	34C	not published	not published
34D	34D	not published	not published
34DD	34DD	not published	not published
34DDD	34DDD	not published	not published
34G	not made	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 Harper Wilde 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

Playtex size guide, read on 2026-09-17. Playtex on TrueToSize
Harper Wilde size guide, read on 2026-09-18. Harper Wilde on TrueToSize

Harper Wilde to Playtex