how many calories to lose weight obese?
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“You have to become a good record-keeper,” Dr. Eckel said. “Reduce calories by 500 calories per day to lose about a one pound a week, or cut 1,000 calories a day to lose about two pounds a week.” Consider adding physical activity after reaching a minimum of 10 percent weight-loss goal.
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Well, based on the fact that one pound of fat equates to around 3,500 calories, a daily workout of one hour where you burn 500 calories, should help you lose a pound a week, as long as your diet is sensible. Armed with this info then, what exercises are ideal to help you achieve this 500 calorie target daily.
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Most experts agree that losing between 1 and 2 pounds weekly is a safer, sounder approach to weight loss. Since 1 pound of fat equals approximately 3,500 calories, by reducing your caloric intake by 3,500 to 7,000 calories each week, you'll safely lose about 1 to 2 pounds each week.
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According to one large review, this amounts to 5.8 calories per day for each pound lost, or 12.8 calories per kilogram. However, this largely depends on how fast you lose weight.
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Weight Facts One pound of body fat is generally equal to approximately 3500 calories. The American College of Sports Medicine recommends a minimum of 1200 calories per day for females and 1800 calories per day for males.
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So to lose one pound you'd need to eat 3,500 calories less each week, or burn 3,500 calories more than you consume. (You can also manually set your own calorie target). For example, let's say you want to lose 50 pounds.
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How effective are very low-calorie diets? If you have a BMI over 30 (which your doctor will call “obese”), then a very low-calorie diet may let you lose about 3 to 5 pounds per week, for an average total weight loss of 44 pounds over 12 weeks.
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Tipping the scale Because 3,500 calories equals about 1 pound (0.45 kilogram) of fat, it's estimated that you need to burn about 3,500 calories to lose 1 pound. So, in general, if you cut about 500 to 1,000 calories a day from your typical diet, you'd lose about 1 to 2 pounds a week.
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If you can eat 500 fewer calories every day, you should lose about a pound (450 g) a week. Always talk with your health care provider to determine a healthy weight for you before starting a weight-loss diet.
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"There are 7,700 calories in one kilogram, so if you wanted to lose weight at a rate of one kilogram per week, you would need to reduce your overall calorie intake by 7,700 calories, or 1,100 calories per day," Tuck said.
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One pound of fat -- is equal to 3,500 calories. By shaving 500 calories a day through dietary and exercise modifications, you can lose about a pound a week. If you only need to maintain your current weight, shaving 100 calories a day is enough to avoid the extra 1-2 pounds most adults gain each year.
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Calories and weight loss Many people choose to reduce their calorie intake by 500 kcal per day to achieve weight loss. For example, a person with a calorie need of 2,800 per day to maintain their current weight can lose weight if they eat 2,300 calories per day.
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A general rule of thumb is you need to be in an energy deficit of around 7,000 calories (29,400 kilojoules) to lose one kilogram of fat.
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If you have an overweight BMI, then you can reduce that figure by up to 500 calories a day to start losing weight safely.
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Using this estimate, a sedentary 300-pound man would need about 4,200 calories per day to maintain his weight. To lose each pound of fat, you need burn 3,500 calories more than you eat.
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First things first, make sure you're getting enough calories to lose weight safely. “The average woman needs to eat about 2,000 calories per day to maintain weight, and 1,500 calories per day to lose one pound per week,” says Nandi.
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Generally to lose 1 to 2 pounds a week, you need to burn 500 to 1,000 calories more than you consume each day, through a lower calorie diet and regular physical activity. Depending on your weight, 5% of your current weight may be a realistic goal, at least for an initial goal.