Using a tool like the above calorie reduction calculator allows you to get a much more precise estimate of how many calories you need to eat in order to lose weight ways to reduce your body weight weight loss is a complex topic since it is the intersection of biology, physics, psychology and others. How many calories eat to lose weight calculator. Eat 1,300 calories (100 extra) each day and add a short evening walk to your daily routine to burn the extra 700 calories each week; eat 1,400 calories (200 extra) each day and add a hiit workout to your schedule two times per week and three 30-minute walks during the week to burn the extra 1,400 calories each week; eat 1,500 calories (300 extra) each day and add 45 minutes of moderate to.
how many calories eat to lose weight calculator