MB Body Frame Size - Version 1.15 MB Body Frame Size Software can be an eye-opener for you by calculating your actual body frame size. It is unknown to most people that just measuring your weight is not enough to give the real picture. In order to get a more comprehensive idea about your health, the frame size needs to be determined. MB Free Body Frame Size Software provides accurate body frame by comparing your height with elbow measurement. Do not worry if you do not know about the elbow measurement. Just follow the instructions given in the software to find out.