This is the letter measurement in your bra size.
- Measure around the fullest part of your bust
- If this measurement is between numbers, it should be rounded, either up or down, to the nearest whole number
- Now, subtract your chest measurement from your bust measurement
- The difference between these two numbers will determine your cup size. Use the chart below to determine your cup size.
Determine Your Cup Size
| Difference | Cup size |
| Less than 1" | AA |
| 1" | A |
| 2" | B |
| 3" | C |
| 4" | D |
| 5" | DD |
|