Reviewed
38A bra size
A 38A has a 38-inch band and a A cup, about 1 inches between band and bust. In the UK it is 38A, in Australia 16A and in Europe 85A.
- US
- 38A
- UK
- 38A
- AU
- 16A
- EU
- 85A
- FR
- 100A
Also fits (sister sizes): 36B firmer band · 40AA looser band · all same-volume sizes ↓
38A measurements
- Snug underbust
- 38–39 in · 97–99 cm
- Bust, fullest part
- about 39 in · 98–100 cm
- Cup difference
- 1 in (A 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.
38A sister sizes
Same cup volume, different band. If a 38A 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 38A doesn't fit
Not sure what's wrong? Run through the 4-point fit check.
Compare 38A
Sizes next to 38A
38A questions
What is the sister size of 38A?
36B (one band down, one cup up) and 40AA (one band up, one cup down). Sister sizes hold the same cup volume on a different band.
What is 38A in UK, Australian and European sizes?
UK 38A, Australia 16A, Europe 85A and France 100A. US and UK cup letters match up to DD and then split.
What measurements are a 38A?
A snug underbust of about 38–39 in (97–99 cm) and a bust of about 39 in (98–100 cm). Measure with the tape level and use the calculator for an exact result.
Is 38A a big size?
38A has a fuller cup volume for a 38 band. Cup letters only mean something next to the band: a 38A holds the same as 28DDD or 30DD.