28DD bra size
28DD is band 28 with cup DD, a 5 in difference between your bust and band when rounded to whole inches.
US 28DD, also written 28E · UK 28DD
- Difference5 in12.7 cm
- Underbust, underbust method27 to 29 in68.58 to 73.66 cm
- Bust for this cup32.5 to 33.5 in82.55 to 85.09 cm
Each range includes its first figure and stops just short of its last.
Which measurements give a 28DD
The label is a band and a cup, not a body measurement. Each of the three published rules turns the same label into different measurements.
| Method | Underbust (in) | Underbust (cm) | Bust (in) |
|---|---|---|---|
| Underbust method | 27 to 29 in | 68.58 to 73.66 cm | 32.5 to 33.5 in |
| Add-4 method | 22.5 to 24.5 in | 57.15 to 62.23 cm | 32.5 to 33.5 in |
| EU method, band 60 | 22.64 to 24.61 in | 57.5 to 62.5 cm | Cup read in cm |
Each range includes its first figure and stops just short of its last.
28DD in six sizing systems
| System | Band | Cup | Size |
|---|---|---|---|
| US | 28 | DD/E | 28DD/E |
| UK | 28 | DD | 28DD |
| EU | 60 | E | 60E |
| FR/BE | 75 | E | 75E |
| AU/NZ | 6 | DD | 6DD |
| JP | 60 | F | 60F |
Bands and letters are label equivalents, not body measurements. JP letters vary by brand.
Sister sizes of 28DD
A sister size moves the band one step and the cup one letter the other way.
For 28DD, a bust from 32.5 to 33.5 in corresponds to cup DD under both the underbust method and add-4 method. The published charts disagree on which underbust gives band 28: the two ranges do not overlap.
The UK label 28DD keeps the cup letters DD, while the EU label 60E uses E. The Japanese label 60F uses F for this cup difference, one letter after E; published charts note JP letters vary by brand.
The US label 28DD/E pairs DD with E for this difference. Its sister size 30D moves to a larger band and a smaller cup letter, while 32C moves two band steps larger and two cup letters smaller.
Questions
What does 28DD mean?
28DD is a band of 28 with a cup that stands for a difference of 5 in (12.7 cm) between bust and band in US sizing.
What measurements give a 28DD?
By the underbust method, an underbust of 27 to 29 in (68.58 to 73.66 cm) gives band 28, and a bust of 32.5 to 33.5 in gives this cup. By the add-4 method, band 28 comes from an underbust of 22.5 to 24.5 in. Each range includes its first figure and stops just short of its last.
What are the sister sizes of 28DD?
The sister sizes of 28DD are 30D and 32C. Each step up in band takes the cup one letter down, and each step down takes it one letter up.