Most women wear the wrong size bra.
There are two important measurements you need to figure out your correct size – the Band measurement, and the Cup measurement. The Band measurement is the numeric portion of your bra size – the 36 in a 36B. The cup measurement determines your cup size – the letter B in the size 36B.
Step One: Band Measurement
Measure under your arms, high on your back, around the top of your chest. If this measurement is an even number, then this is your band size. If this measurement is an odd number, then add 1" to determine your band size.
Step Two: Cup Measurement
While wearing your favorite supportive, comfortable bra, measure loosely around the fullest part of your bust.
Step Three: Find Your Right Bra Size
Subtract your band measurement from your cup measurement; each inch represents a cup size.
| 1-inch difference | A Cup |
| 2-inch difference | B Cup |
| 3-inch difference | C Cup |
| 4-inch difference | D Cup |
| 5-inch difference | DD Cup |
| 6-inch difference | DDD Cup |
| 7-inch difference | DDDD Cup |
| 8-inch difference | FF Cup |
| 9-inch difference | G Cup |
| 10-inch difference | H Cup |
| 11-inch difference | I Cup |
| 12-inch difference | J Cup |