Weight gain and weight loss are determined by a your net energy expenditure. Its not easy for all to visualize what's happening when you consume calories or vigorously exercise. When you go for a run, why and when do you lose fat? What happens to the fat that you're losing? If I run in the mornings will I lose more fat than if I run in the evenings?

With this calculator you can easily visualize your energy gains and expenditures to more deeply understand where the calories you are eating are going.