Reviewed
34H (UK 34FF) bra size
A 34H has a 34-inch band and a H cup, about 8 inches between band and bust. In the UK it is 34FF, in Australia 12FF and in Europe 75H.
- US
- 34H
- UK
- 34FF
- AU
- 12FF
- EU
- 75H
- FR
- 90H
Also fits (sister sizes): 32I firmer band · 36G looser band · all same-volume sizes ↓
34H measurements
- Snug underbust
- 34–35 in · 86–89 cm
- Bust, fullest part
- about 42 in · 105–108 cm
- Cup difference
- 8 in (H 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.
34H sister sizes
Same cup volume, different band. If a 34H 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 34H doesn't fit
- Band rides up at the back
- Try 32I
- Band digs in, cups fit
- Try 36G
- Spilling over the cups
- Try 34I
- Cups gape or wrinkle
- Try 34G
Not sure what's wrong? Run through the 4-point fit check.
34H questions
What is the sister size of 34H?
32I (one band down, one cup up) and 36G (one band up, one cup down). Sister sizes hold the same cup volume on a different band.
What is 34H in UK, Australian and European sizes?
UK 34FF, Australia 12FF, Europe 75H and France 90H. US and UK cup letters match up to DD and then split.
What measurements are a 34H?
A snug underbust of about 34–35 in (86–89 cm) and a bust of about 42 in (105–108 cm). Measure with the tape level and use the calculator for an exact result.
Is 34H a big size?
34H has a very full cup volume for a 34 band. Cup letters only mean something next to the band: a 34H holds the same as 28K or 30J.