BODY MASS INDEX (BMI) is a common measure for obesity. The BMI correlates very closely to your body fat percentage. This simple BMI tool will calculate your BMI as well as let you know your weight satus.

Basal Metabolic Rate (BMR) is the mimimal energy required for a resting person. The Sam Gurgis BMR calculator is a simple tool for calculating BMR. You can also use the Sam Gurgis BMR Calculator to see how many extra calories you expend when active.