Reviewed
28DD bra size
A 28DD has a 28-inch band and a DD cup, about 5 inches between band and bust. In the UK it is 28DD, in Australia 6DD and in Europe 60E.
- US
- 28DD
- UK
- 28DD
- AU
- 6DD
- EU
- 60E
- FR
- 75E
Also fits (sister sizes): 30D looser band · all same-volume sizes ↓
28DD measurements
- Snug underbust
- 28–29 in · 71–74 cm
- Bust, fullest part
- about 33 in · 83–85 cm
- Cup difference
- 5 in (DD cup)
These are starting points from the band-and-cup method. Brands differ by about a size, so a two-minute measurement beats any chart.
28DD sister sizes
Same cup volume, different band. If a 28DD band feels too loose, go down a band and up a cup; if it feels tight, go up a band and down a cup.
If a 28DD doesn't fit
Not sure what's wrong? Run through the 4-point fit check.
28DD questions
What is the sister size of 28DD?
30D (one band up, one cup down). Sister sizes hold the same cup volume on a different band.
What is 28DD in UK, Australian and European sizes?
UK 28DD, Australia 6DD, Europe 60E and France 75E. US and UK cup letters match up to DD and then split.
What measurements are a 28DD?
A snug underbust of about 28–29 in (71–74 cm) and a bust of about 33 in (83–85 cm). Measure with the tape level and use the calculator for an exact result.
Is 28DD a big size?
28DD has a mid-range cup volume for a 28 band. Cup letters only mean something next to the band: a 28DD holds the same as 30D or 32C.