To determine your band size, measure your rib cage. Wrap the tape measure snugly around your rib cage, directly under your bust. Use the chart below to convert rib cage measurement to band size.
To determine your cup size, measure your bust in inches. Wrap the tape measure around the fullest part of your bust. Then subtract your band size from your bust measurement. The difference between these two numbers will determine your cup size. Use the second chart below to find your correct cup size.
Rib Cage Measurement | Band Size |
---|---|
24-25 | 28 |
26-27 | 30 |
28-30 | 32 |
31-33 | 34 |
34-36 | 36 |
37-38 | 38 |
39-40 | 40 |
41-42 | 42 |
43-44 | 44 |
45-46 | 46 |
Bust Measurement Minus Band Size | Cup Size |
---|---|
1 | A |
2 | B |
3 | C |
4 | D |
5 | DD/E |
6 | DDD/F |
7 | DDDD/G |
8 | H |
9 | I |
To determine your band size, measure your rib cage. Wrap the tape measure snugly around your rib cage, directly under your bust. Use the chart below to convert rib cage measurement to band size.
To determine your cup size, measure your bust in inches. Wrap the tape measure around the fullest part of your bust. Then subtract your band size from your bust measurement. The difference between these two numbers will determine your cup size. Use the second chart below to find your correct cup size.
Rib Cage Measurement | Band Size |
---|---|
61-63.5 | 28 |
66-68.6 | 30 |
71.1-76.2 | 32 |
78.7-83.8 | 34 |
86.4-91.4 | 36 |
94-96.5 | 38 |
99.1-101.6 | 40 |
104.1-106.7 | 42 |
109.2-111.8 | 44 |
114.3-116.8 | 46 |
Bust Measurement Minus Band Size | Cup Size |
---|---|
2.5 | A |
5.1 | B |
7.6 | C |
10.2 | D |
12.7 | DD/E |
15.2 | DDD/F |
17.8 | DDDD/G |
20.3 | H |
22.9 | I |