how much calorie do you burn a day?
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Conventional wisdom is that you need to burn 3,500 calories to lose 1 pound. This means reducing calorie intake by 500 kcal per day to lose 1 pound in a week. Researchers have since called the 3,500-calorie rule into question, because it's not quite that simple.
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3,500 calories equals 1 pound. So a person must have a deficit of 3,500 calories to lose 1 pound of fat. For example, if you eat a 2,200 calorie diet a day, have a Basal Metabolic Rate of 1,900 calories per day, and you row for 45 minutes to burn 800 calories, then you would create a 500 calorie deficit for the day.
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The amount of calories burned increases according to body weight. So, a person who weighs 150 pounds might burn 46 calories an hour or between 322 and 414 calories a night. And a person who weighs 185 pounds might burn around 56 calories or between 392 and 504 calories for a full night of sleep.
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The USDA reports that sedentary men burn — and therefore should consume -- 2,000 to 2,600 calories each day to maintain a healthy body weight. However, this general guideline varies slightly by age group: Men ages 19 to 30 burn 2,400 to 2,600 calories daily.
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Because 3,500 calories equal 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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This means you would have to consume 2,300 Calories/day (1,800 + 500 = 2,300 Cal/day). Remember, if we consume 2,300 Calories, the thermic effect of food is going to burn (at most) about 230 Cal/day, or 1,610 Calories/week.
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The answer is a simple math equation. You must burn 3,500 calories to lose one pound of body fat. If you burn 500 more calories than you eat for seven days, you will lose one pound of body fat. If you burn 1,000 calories more than you eat for seven days, you will lose two pounds of body fat.
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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.”
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"Research shows that people who are physically active during the day can burn an extra 300 calories per day," says Pete McCall, MS, an exercise physiologist with the American Council on Exercise. "Over 12 days, that can add up to an extra pound of weight loss," he says.
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To lose a pound, you need to have a good idea of how many calories you burn (use for energy) on an average day. According to the U.S. Department of Health and Human Services, the average adult woman expends roughly 1,600 to 2,400 calories per day, and the average adult man uses 2,000 to 3,000 calories per day.
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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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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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“On average, men need around 2,500 calories (kcals) each day to keep a healthy weight, whereas the average woman needs around 2,000kcals.” Of course, that's a general guideline - some women are likely to burn more calories than some men.
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(If you cut 500 daily calories, you'll lose about a pound per week.) For women, that means consuming about 1,200 to 1,500 calories a day. For men, it means a daily intake of about 1,500 to 1,800 calories. However, the number of calories you should consume can vary depending on your current weight and activity level.
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Determining how many calories you burn The amount of calories burned increases according to body weight. So, a person who weighs 150 pounds might burn 46 calories an hour or between 322 and 414 calories a night.
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If we do the math, you should get a resting metabolic rate of 1,499.365. That means a 40-year-old woman who does nothing all day would still burn almost 1,500 calories a day doing nothing beyond just existing. If that number seems high, just compare it to the government's recommendations for daily calorie intake.
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The BMR is the rate at which your body burns calories to sustain life and is roughly 50-80 calories per hour in most people, which is 1,200 to 1,920 calories burned all day.