While a lot of people may disagree about the exact amount of water you should drink each day, and that your needs will differ from others with different body types. While no specific measurement will fit all people, I consulted Dr. Pamila Brar to get some basic guidelines. She suggested the following, presuming a temperate climate:P
Men should drink about 3 liters (about 13 cups) of total fluids a dayP
Women should drink about 2.2 liters (about 9 cups) of total fluids a dayP