Basal Metabolic Rate Calculator is a software program used to count the number of calories required to maintain your current weight. It is indispensable for everyone who wants to lose weight. With the help of this program you can regulate your nutrition and control your calorie intake. BMR is gender specific and depends on your weight, height and age. BMR Calculator supports both English and Metric systems for your convenience. To estimate the number of calories you need per day, input only three figures: your age, height and weight. This program calculates BMR automatically, and in a second you will know the number of calories your body needs per day.