Reviewed
28K (UK 28H) bra size
A 28K has a 28-inch band and a K cup, about 11 inches between band and bust. In the UK it is 28H, in Australia 6H and in Europe 60K.
- US
- 28K
- UK
- 28H
- AU
- 6H
- EU
- 60K
- FR
- 75K
Also fits (sister sizes): 30J looser band · all same-volume sizes ↓
28K measurements
- Snug underbust
- 28–29 in · 71–74 cm
- Bust, fullest part
- about 39 in · 98–100 cm
- Cup difference
- 11 in (K 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.
28K sister sizes
Same cup volume, different band. If a 28K 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 28K doesn't fit
Not sure what's wrong? Run through the 4-point fit check.
28K questions
What is the sister size of 28K?
30J (one band up, one cup down). Sister sizes hold the same cup volume on a different band.
What is 28K in UK, Australian and European sizes?
UK 28H, Australia 6H, Europe 60K and France 75K. US and UK cup letters match up to DD and then split.
What measurements are a 28K?
A snug underbust of about 28–29 in (71–74 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 28K a big size?
28K has a very full cup volume for a 28 band. Cup letters only mean something next to the band: a 28K holds the same as 30J or 32I.