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 WebMD.
Known as the very low-calorie diet (VLCD), 800 to 1,500 calories per day diet plans are designed for short-term weight loss. They are most effective for obese people and those with weight related medical conditions, such as high blood pressure and diabetes. Very low-calorie diets can lead to side effects such as nausea, constipation, diarrhea and fatigue. Pregnant or breastfeeding women, teenagers, young children and people over 50 years old are advised to avoid very low-calorie diets.Learn More
A person can lose weight by eating fewer calories than he exerts each day. It takes 3,500 calories to create or burn a pound, so eating 500 calories per day below the maintenance amount for a person's current weight results in 1 to 2 pounds lost per week.Full Answer >
To lose weight, a person must consume fewer calories than he uses each day. A safe amount to lose each week is 1 to 3 pounds, which would be between a half a pound and 1.5 pounds in three days. Creating a caloric deficit of 500 to 1500 calories each day typically results in this amount of weight loss.Full Answer >
A person can lose anywhere between 16 to 20 pounds in two months by shedding 500 to 1,000 calories a day or more, according to Adrianne Weeks for JillianMichaels.com. Losing a consistent 1 to 2 pounds a week is a steady way of reaching weight loss goals.Full Answer >
By following a healthy diet and exercising regularly, a person can expect to lose approximately 20 to 30 pounds in three months. The amount a person can lose in three months varies based on his starting weight and fitness level.Full Answer >