Size Guide
38DDD Bra Size
Everything you need to know about bra size 38DDD — measurements, sister sizes, international equivalents, and fit advice.
Measurements for 38DDD
Underbust (Band)
37 to 39 inches (94 to 99 cm)
Full Bust
approximately 45 inches (114 cm)
38DDD in Other Sizing Systems
US
38DDD/F
UK
38E
EU
85F
FR
100F
AU
16E
Sister Sizes for 38DDD
These sizes have the same cup volume as 38DDD. Try them if the band feels too tight or too loose.
36F ↔ 38DDD ↔ 40DD
← Tighter band, bigger cup · Looser band, smaller cup →
Fit Tips for 38DDD
DDD/F cups benefit from full-coverage styles and three-part cups that offer structure. Side support panels are helpful.
If your 38DDD bra is gapping at the top of the cup, the cup may be too large or the wrong shape — try a demi-cup or balconette. If the center gore doesn't sit flat, go up one cup size.
Not sure about your size? Measure yourself and double-check.
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