knowhersize

Reviewed

36DD bra size

A 36DD has a 36-inch band and a DD cup, about 5 inches between band and bust. In the UK it is 36DD, in Australia 14DD and in Europe 80E.

US
36DD
UK
36DD
AU
14DD
EU
80E
FR
95E

Also fits (sister sizes): 34DDD firmer band · 38D looser band · all same-volume sizes ↓

36DD measurements

Snug underbust
36–37 in · 91–94 cm
Bust, fullest part
about 41 in · 103–105 cm
Cup difference
5 in (DD 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.

36DD sister sizes

Same cup volume, different band. If a 36DD band feels too loose, go down a band and up a cup; if it feels tight, go up a band and down a cup.

36DD = UK 36DD · AU 14DD · EU 80E · FR 95E. Sister sizes: 34DDD, 38D. 36DD in full →
A
B
C
D
DD
DDD
G
H
28
30
32
34
36
38
40
42
44
28I30H32G34DDD36DD38D40C42B44A

If a 36DD doesn't fit

Band rides up at the back
Try 34DDD
Band digs in, cups fit
Try 38D
Spilling over the cups
Try 36DDD
Cups gape or wrinkle
Try 36D

Not sure what's wrong? Run through the 4-point fit check.

36DD questions

What is the sister size of 36DD?

34DDD (one band down, one cup up) and 38D (one band up, one cup down). Sister sizes hold the same cup volume on a different band.

What is 36DD in UK, Australian and European sizes?

UK 36DD, Australia 14DD, Europe 80E and France 95E. US and UK cup letters match up to DD and then split.

What measurements are a 36DD?

A snug underbust of about 36–37 in (91–94 cm) and a bust of about 41 in (103–105 cm). Measure with the tape level and use the calculator for an exact result.

Is 36DD a big size?

36DD has a very full cup volume for a 36 band. Cup letters only mean something next to the band: a 36DD holds the same as 28I or 30H.