To lose 10 pounds in three weeks, burn more calories than you eat by exercising daily, improve the quality of foods you eat and rethink the way you eat. It's possible to safely lose over three pounds each week by embraci... More » Health Nutrition & Diets

According to WebMD, losing 10 pounds in a single week is not healthy. The fastest way to lose weight is through a safe combination of increased physical activity and decreased food consumption. Weight can generally be ex... More » Health Nutrition & Diets

WebMD states that a pound of fat is equivalent to 3,500 calories. This means that in order to lose 10 pounds in a single week, it's necessary to burn off 35,000 calories. According to WebMD, the best method for achieving... More » Health Nutrition & Diets Diet Plans

According to, a person must burn 70,000 calories during one month to lose 20 pounds. This can be achieved by restricting calories through a controlled and healthy diet and also by increasing physical activi... More » Health Nutrition & Diets

A person with a body-mass-index (BMI) over 30, can lose 3 to 5 pounds a week by eating 800 calories a day. This leads to a total weight loss of about 44 pounds if the diet plan is followed for 12 weeks, according to WebM... More »

To lose 3 pounds in one week, maintain a weekly calorie deficit of 10,500 calories, based on the calculation of 3,500 calories per pound. For a 3-pound loss in one week, pursue a goal of a 1,500-calorie deficit each day.... More »

Losing 5 pounds in one week requires a calorie deficit of 17,500 calories, according to the Mayo Clinic's calculation of 3,500 calories per pound. For a 5-pound loss in one week, dieters should pursue a goal of a 2,500 c... More » Health Nutrition & Diets