Reviewed
38DDD (UK 38E) bra size
A 38DDD has a 38-inch band and a DDD cup, about 6 inches between band and bust. In the UK it is 38E, in Australia 16E and in Europe 85F.
- US
- 38DDD
- UK
- 38E
- AU
- 16E
- EU
- 85F
- FR
- 100F
Also fits (sister sizes): 36G firmer band · 40DD looser band · all same-volume sizes ↓
38DDD measurements
- Snug underbust
- 38–39 in · 97–99 cm
- Bust, fullest part
- about 44 in · 110–113 cm
- Cup difference
- 6 in (DDD 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.
38DDD sister sizes
Same cup volume, different band. If a 38DDD 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 38DDD doesn't fit
- Band rides up at the back
- Try 36G
- Band digs in, cups fit
- Try 40DD
- Spilling over the cups
- Try 38G
- Cups gape or wrinkle
- Try 38DD
Not sure what's wrong? Run through the 4-point fit check.
Compare 38DDD
Sizes next to 38DDD
38DDD questions
What is the sister size of 38DDD?
36G (one band down, one cup up) and 40DD (one band up, one cup down). Sister sizes hold the same cup volume on a different band.
What is 38DDD in UK, Australian and European sizes?
UK 38E, Australia 16E, Europe 85F and France 100F. US and UK cup letters match up to DD and then split.
What measurements are a 38DDD?
A snug underbust of about 38–39 in (97–99 cm) and a bust of about 44 in (110–113 cm). Measure with the tape level and use the calculator for an exact result.
Is 38DDD a big size?
38DDD has a very full cup volume for a 38 band. Cup letters only mean something next to the band: a 38DDD holds the same as 28K or 30J.