More information is needed. Look for a child nutrition calculator on the internet so you can put in information such as how tall and heavy the child is and how active she is.
On average, a 13 year old girl should take in 1700-2100 calories a day to remain healthy. Seeing as you are shorter, then I'm guessing you should intake the lower amount of calories.
It wont matter so much how many calories you are taking in as much as it does for what your doing to even out the intake you put into your body. 1200 calories a day is a normal intake,but look into the fat calories, the sugar and salt intake, and corn syrup, these make the calories bad for your body.
You should lose about 50 calories in a day if your calorie intake is 1200.
For female children ages 4-8, a daily intake of calories should be 1200 kcal/d. For female children ages 9-13, a daily intake of calories should be 1600 kcal/d. Calorie estimates are based on a sedentary lifestyle, in a temperate environment.
1200 calories
The calorie intake for a 13 year old girl who is 5'8 is 2000-2500 a day
2200-2400 calories
A ten years old girl should weigh around 70 to 110 pounds. She should be eating foods with around 120 to 200 calories.
About 1,500 calories a day.
There is no set number of calories any human being should have. There are recommendations for daily caloric intake but nothing concrete. A typical 16 year old girl will burn about 1500 to 2500 calories/day depending on her level of activity, metabolism, etc. If the girl at question is overweight, change the current diet and encourage exercise or sports.
If you are active you should consume about 1800, but if you're not you should consume about 1600 calories per day.The recommended calorie intake varies a little based on 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.
The rule of thumb caloric intake for a person, regardless of age, is 1200 calories. See a dietician for more indepth information.