The U.S. National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is:
- About 15.5 cups (3.7 liters) of fluids a day for men
- About 11.5 cups (2.7 liters) of fluids a day for women
The U.S. National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is: