how many calories a day to lose 1kg per week?
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"A guide to follow for safe and sustainable weight loss is to aim for 0.5–1 kilogram per week. In order to lose one kilogram per week, you would need to burn and reduce your dietary intake by approximately 1,000 calories per day," Clark said.
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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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Creating a Calorie Deficit for Weight Loss Typically, a reduction of 500 calories per day is suggested to lose 1 pound (450 grams) per week. Though this would equate to a 52-pound (23.5-kg) weight loss in one year, research shows that the average rate of weight loss is much slower.
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And if you want to lose weight, a healthy way to do that is to aim for losing no more than 1 or 2 pounds a week. Since 1 pound = 3,500 calories, in order to lose 1 pound a week, you'd need to have a weekly calorie deficit of 3,500 calories, Kohn says.
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Depending on your calorie intake, a deficit of 500 calories per day may lead to 0.5–2 pounds (0.2–0.9 kg) of weight loss per week ( 13 ). A 500-calorie deficit per day is sufficient for most people looking to lose weight. You can burn some of these calories by walking an hour per day.
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The number of calories that you need to eat in a day is not just dependent on your diet but also on the level of your physical activity. Experts believe that 1500-calorie diet, which is 500 calories less than 2000-calorie diet, is enough to shed 0.45 kgs in a week.
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1 pound = a deficit of 3500 calories. That means each day, you have to have a deficit of 500 calories to lose 1 pound per week. 2 pounds = 7000 calories, so to lose 2 pounds per week, you need to be at a deficit of 1000 calories per day.
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To burn off 1 pound of fat, you need to burn 3500 calories. Therefore, by deducting 500 calories from your calorie intake per day, you can burn off 1 pound of fat in 1 week (500 x 7 = 3500). This method is equally effective if we want to gain muscle, too.
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» To lose weight, you should eat little less calories than your body needs per day. » To lose 1 kg of your weight, you should create 7,700 calorie deficit. » To create approximately 1,000 calorie deficit every day, you will lose 1 kg per week.
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Summary: According to experts, losing 1–2 pounds (0.45–0.9 kg) per week is a healthy and safe rate, while losing more than this is considered too fast. However, you may lose more than that during your first week of an exercise or diet plan.
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STEP-2: Eat 1,000 less calories than your 'daily calorie burning' to lose 1 kg per week. » Men should not eat less than 1,600 calories a day and women should not eat less than 1,200, without medical supervision. » The ideal rate of weight loss should not be more than 0.9 to 1 kg per week.
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Anyway, to give you a theoretical answer, 1Kg of fat loss per week is 9000 kcal per week or 1285 kcal a day. To be on the safer side, keep it at 1400 kcal. One KM of walking at 10 minutes/KM pace (6 KMph) by 65 Kg weighed person will burn 40 kcal of energy (as shown my Pedometer).
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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. It sounds simple.
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The common advice has long been that you need to burn 3,500 more calories than you eat to drop one pound. To do this in one week, then, you need to create a calorie deficit of 500 calories each day. However, research has demonstrated that losing weight is more complex than this basic calorie deficit formula suggests.
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Set realistic goals Over the long term, it's smart to aim for losing 1 to 2 pounds (0.5 to 1 kilogram) a week. 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.
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The safest weight loss is around 1 pound per week if you weigh under 150 pounds, and 1 to 2 pounds per week if you weigh over 150 pounds. This will be a 500-calorie-per-day deficit through a combination of exercise and cutting calories.
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To lose one pound per week, you need to reach a total calorie deficit of about 3500 calories per week or 500 calories per day. To lose two pounds per week, you need to double that number. So you need to reach a 1000-calorie per day deficit or 7000 calories per week.