The average person in the US consumes about 2,000 calories a day.
Between 400 and 500 calories per day. So about 25% of the total calorie intake of an average 2000 calorie / day person.
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The recommended calorie intake varies a little based on age, gender, height, weight, activity level, body type, and a few other factors. On average, they should be eating about 1,200 to 1,400 calories a day.
Assuming you're talking about calorie intake... it's called the RDA (recommended daily allowance).
Require? Depends on the person, how nourished they are typically, where they are, etc. But the recommended amount of caloric intake for the average person is 2000-2500 calories a day.
Keeping track of one's calorie intake is easy and anyone can do it. There are multiple ways to do so, there are apps for smartphones can can help keep track of one's calorie intake. One can also read the nutrition label of what that person is about to eat to be aware of how many calories it has.
The Recommended Daily Values describe what your intake for vegetables, fruits and meats should be. They were created by the FDA.
This all depends on the person and what they are consuming on Super Bowl Sunday. The average calorie intake of a party goer is 1,200 calories. Americans as a whole will have downed 156 billion calories.
The recommended calorie intake for an adult male is 2500 kilocalories/day. The mechanical equivalent of heat is 4.2 Joules/calorie, so 4.2 kiloJoules/kilocalorie, so intake is 10,500 kiloJoules/day. As there are 24 x 60 x 60 seconds = 86,400 seconds/day, the rate of energy use is 121 watts (average over 24 hours)
to answer your question, it depends from person to person but on average every 3500 calorie deficit you will lose a kg of weight. So 600 x 7 = 4200 calories, this means you will burn around 1.2kgs per week to answer your question.
If your talking about the daily intake of 500 calories then my answer to you would be-it depends on your diet, exercise, and body metabolism. The daily average calorie intake for a normal person is 2,000 calories(breakfast, lunch, and dinner). That means your only taking in 25% of the average calorie, and only consuming this much calorie could have a detrimental effect on your overall health, but if you want to only eat 500 calorie(which i recommend you DONT) i would probably estimate somewhere about 2-3lbs per week, at best? I am just extrapolating here, but this is my best answer. !!