a baby needs about 1,000 calories a day
a runner needs about 3000 calories a day
It varies from person to person, but the average adult male needs about 3,100 calories per day in order to be healthy, and the average adult female needs about 2,400 calories per day to be healthy.
A typical person should consume 2,000 calories a day
they need 1,000 calories a day were as the average male needs 3,000 and the average female 2,000
Depends on you height, age and activity level. But to keep it simple, the human body needs 1,200 calories a day to have normal organ function so a average man with moderate activity level needs around 2,000 calories a day.
The number of calories a 49 year old woman needs a day depends upon her weight but the average would be around 2,000 calories a day.
It is all dependant on a persons metabolism. Some people can eat what they like and don't put on weight. A woman needs 2000 calories a day and a man 2500 a day approximately. Exercise it important, and taking your five a day (fruit and vegetable's. Age, height and weight is also important to determine how many calories a person needs.
It depends on how many calories a person needs a day. Also on what activities the person does daily.
A 7-year-old boy or girl needs 1,200 to 1,800 calories daily.
If you calculate your BMR this will tell you how many calories your body needs a day to maintain its weight. If you then consume 500 extra calories a day for a full week you should gain around a pound in weight. So I would say the answer is 3500 calories.
It depends on if youre trying to lose weight, gain weight ,or stay the same. For example, if you're intaking 2000 calories a day, you should expend 2000 calories a day to stay that weight.