If necessary, tighten the straps until the peaks of your breast are half way between your shoulder and elbow.
2) Grab a partner it’s much easier and more accurate if you have someone else assist in your measurement.
3) Get a tape measure, if you don’t have one available download our printable version HERE
LET’S DO THE MATH
Take your bust measurement and subtract your chest measurement.
Chest size - 29
Bust size - 31
31 – 29 = 2 inches
2 inches = B
Every inch of the difference between your Bust and Chest measurement is a cup size refer to the chart below for your cup size based on inch difference.
See Step 3 (Diaphragm Size)
Even number - add 4
Odd number - add 5
Example: Diaphragm measurement = 27 (odd) + 5 = Band measurement: 32
LET'S DO THE CONVERSIONS: