That depends how much you drink and how much you exercise.
Average 10 pints for adults and 6.55 pints in under 18's body
2.5 pints
5 pints
8 pints
3 pints
3 pints
8 pints
well ur body has 9 to 10 pints of blood so if u loose 10 pints u could have the risk of dying unless u have a blood donation
4 pints
1.87 pint
2 liters
200 pints