well it depends on your height
Forget about calories calculation, this kid has to eat enough and exercises enough.
It depends on how many calories they consume; if you are of a slighter build and eat less calories, you need to burn less.
1800 calories :)
A 9 year old should eat 1,000 to 2,000 calories daily
A 10 year old girl will need approximately 1,400 to 2,000 calories per day.
Females are generally done growing by 18 so they don't need as many calories. An 18 year old female should consume 1200-1800 calories daily.
2100 calories
how many calories should a 70 year old woman eat per day
A nine year old boy should eat about 2,200 calories
1800 calories average
2000 calories roughly
1200 calories