Calculate how many calories your body needs to function properly. Also known as the basal metabolic rate (BMR) calculator. This will give you an idea of the minimum number of calories you should eat each day if you are trying to maintain your weight.
Calculator Source: Mifflin MD, St Jeor ST, et al. A new predictive equation for resting energy expenditure in healthy individuals. Am J Clin Nutr. 1990; 51: 241-247
Add the results of this calculation to the results of the Calories Burned calculator and you will know how many total calories you burn each day.