Reviewed
38G (UK 38F) bra size
A 38G has a 38-inch band and a G cup, about 7 inches between band and bust. In the UK it is 38F, in Australia 16F and in Europe 85G.
- US
- 38G
- UK
- 38F
- AU
- 16F
- EU
- 85G
- FR
- 100G
Also fits (sister sizes): 36H firmer band · 40DDD looser band · all same-volume sizes ↓
38G measurements
- Snug underbust
- 38–39 in · 97–99 cm
- Bust, fullest part
- about 45 in · 113–116 cm
- Cup difference
- 7 in (G 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.
38G sister sizes
Same cup volume, different band. If a 38G 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 38G doesn't fit
- Band rides up at the back
- Try 36H
- Band digs in, cups fit
- Try 40DDD
- Spilling over the cups
- Try 38H
- Cups gape or wrinkle
- Try 38DDD
Not sure what's wrong? Run through the 4-point fit check.
38G questions
What is the sister size of 38G?
36H (one band down, one cup up) and 40DDD (one band up, one cup down). Sister sizes hold the same cup volume on a different band.
What is 38G in UK, Australian and European sizes?
UK 38F, Australia 16F, Europe 85G and France 100G. US and UK cup letters match up to DD and then split.
What measurements are a 38G?
A snug underbust of about 38–39 in (97–99 cm) and a bust of about 45 in (113–116 cm). Measure with the tape level and use the calculator for an exact result.
Is 38G a big size?
38G has a very full cup volume for a 38 band. Cup letters only mean something next to the band: a 38G holds the same as 28L or 30K.