This tool will help tell you how many calories you need to stay at your current weight average rate of activity.

Enter your height, weight, age and what type of active live you lead and the result will tell you how many calories you need to maintain your current weight. Eating fewer calories will make you lose weight. Exercising more will also make you lose weight. For fastest results you should have a combination of a calorie reduced diet and an increase in aerobic activity like using a treadmill or elliptical trainer.