This is the first review of the Smart Digital Fat Fat Electronic Scale application, the types of information provided and features popular with men and women in general and culturally and linguistically diverse platforms. . It shows the need to access accurate information regarding users, their communities and body fat related indicators. With the popularity of bmi apps, such applications have great potential to be used to provide accurate, evidence-based health information. This study presents an effective approach to developing the range of body fat by linking the current BMI guidelines to the predicted percentage of body fat. The equations and temporary tables developed in this report can fill the information gap because no equivalent body fat percentage exists for consideration to evaluate potential dispersed subjects. species.. Error given for body composition analysis. Our efforts emphasize important issues to consider in the future, such as the suitability of fat gain with aging even when BMI is constant, the cause of national or national differences. ethnicity in the BMI ratio, whether the wrong subjects are healthier or lower than their similar BMI counterparts and how to develop appropriate sampling strategies to develop body fat percentage potential. These important issues require future discussion, debate and investigation.