600-800 Calories
About 1,600 calories.
A 12 year old girl who only weighs 107 pounds should not be concerned with calories. You look fine. Go play.
If she weighs less than 90 pounds, she is also probably very short. She should be eating about 1,000 to 1,200 calories a day.
1200 calories
If you are a 16 year old female who weighs 257 pounds and is 5'5" tall, consuming 1,200 calories a day would help you to lose 3-3.5 pounds per week.
2000 calories
1200 calories
A female weighs 5-6 pounds and the male weighs 6-8 pounds.
A newborn weighs about 100 pounds. A full grown female weighs about 1,900 pounds. A full grown male weighs about 2,700 pounds.
the girl should eat 2000 calories a day but wen shes 11-18 she should eat 2200
3,500
About 1,700 calories daily.