Health calculator is a program which is based on Your personal data (height, weight, age, gender, waist, hips) calculates the body mass index (BMI), fat content in the body, waist-to-height ratio (WHTR). These indicators are very important for health, as they help you determine the normal weight or not and what Your healthy weight (i.e., the weight at which the risk of developing diseases such as hypertension, diabetes, cardiovascular disease, joint problems and many others associated with excess weight tend to zero.) Also calculates your basal metabolic rate, and provided recommendations on daily allowance of calories for weight loss, maintain or gain weight.