Size Guide
42DD Bra Size
Everything you need to know about bra size 42DD — measurements, sister sizes, international equivalents, and fit advice.
Measurements for 42DD
Underbust (Band)
41 to 43 inches (104 to 109 cm)
Full Bust
approximately 48 inches (122 cm)
42DD in Other Sizing Systems
US
42DD
UK
42DD
EU
95E
FR
110E
AU
20DD
Sister Sizes for 42DD
These sizes have the same cup volume as 42DD. Try them if the band feels too tight or too loose.
40DDD ↔ 42DD ↔ 44D
← Tighter band, bigger cup · Looser band, smaller cup →
Fit Tips for 42DD
DD cups need good band support. Make sure 80% of support comes from the band, not the straps.
If your 42DD 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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