How many calories should I eat to maintain my weight?

snail

New member
I'm trying to lose a little weight, with a net calorie budget of 1040. Sometimes I go over, but I make sure never to go over the amount it says I should eat to maintain my weight which is 1730. However, I gain like 3 pounds if I eat that much. Why? Is there a more realistic budget? Some advice would be appreciated!
Oh, I'm 5'3, 105 pounds, moderately active, 14 years old, if that helps with the metabolism calorie thing
thanks!
 
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