how much water intake daily
So How Much is Enough? The Institute of Medicine has determined how much water the average man or woman needs to drink to be healthy: Men â The average man should drink 3.7 liters or 15 cups of water per day. Women â The average woman should drink 2.7 liters or 11 cups of water per day. Thatâs a lot more than the 8 cups that youâre used to drinking! The good news is that you donât need to get all of your water just by drinking! The recommendations above is for total water intake, which means liquid in all of its forms.