Because the right fit feels different.
Because the right fit feels different. Experience better support, all-day comfort, and effortless confidence with our simple 3-step bra sizing guide.
Follow ETAAM's simple formula to discover your true starting size in inches.
Subtract your underbust measurement from your bust measurement.
| Difference (in inches) | Cup Size |
|---|---|
| 1" | A |
| 2" | B |
| 3" | C |
| 4" | D |
| 5" | DD / E |
| 6" | DDD / F |
| 7" | G |
Enter your underbust and fullest bust measurements in inches to find your recommended starting size.
Compare your Underbust and Bust measurements in Inches across all cup sizes.
| Band Size | Underbust (Inches) | Fullest Bust Measurement by Cup (Inches) | ||||||
|---|---|---|---|---|---|---|---|---|
| Cup A (+1") | Cup B (+2") | Cup C (+3") | Cup D (+4") | Cup DD / E (+5") | Cup DDD / F (+6") | Cup G (+7") | ||
| 30 | 30" (29" - 30") | 31" | 32" | 33" | 34" | 35" | 36" | 37" |
| 32 | 32" (31" - 32") | 33" | 34" | 35" | 36" | 37" | 38" | 39" |
| 34 | 34" (33" - 34") | 35" | 36" | 37" | 38" | 39" | 40" | 41" |
| 36 | 36" (35" - 36") | 37" | 38" | 39" | 40" | 41" | 42" | 43" |
| 38 | 38" (37" - 38") | 39" | 40" | 41" | 42" | 43" | 44" | 45" |
| 40 | 40" (39" - 40") | 41" | 42" | 43" | 44" | 45" | 46" | 47" |
| 42 | 42" (41" - 42") | 43" | 44" | 45" | 46" | 47" | 48" | 49" |
| 44 | 44" (43" - 44") | 45" | 46" | 47" | 48" | 49" | 50" | 51" |
A well-fitting ETAAM bra should feel natural and supportive:
Remember: Your calculated size is only a starting point. The actual size is the one that feels right and fits well.