Body weight	Daily water requirement	Hourly water requirement
≤ 23 lb (10 kg)	100 mL per kg	4 mL per kg
24 to 44 lb (11 to 20 kg)	1,000 mL, plus 50 mL per kg for each kg between 11 and 20 kg	40 mL, plus 2 mL per kg for each kg between 11 and 20 kg
> 44 lb (20 kg)	1,500 mL, plus 20 mL per kg for each kg over 20 kg	60 mL, plus 1 mL per kg for each kg over 20 kg