Liquids are measured in fluid ounces and there are 8 fluid ounces in 1 cup.
Other medical experts recommend drinking at least half your body weight in ounces of water per day. For example, if you weigh 150 pounds, you should be drinking at least 75 ounces of water each day (that’s about 4.5 ounces).
Liquid measuring cups state that 1 cup = 8 ounces. But what they really mean is 1 cup of liquid = 8 fluid ounces.
The U.S. National Academies of Sciences, Engineering, and Medicine have determined that adequate daily fluid intake is approximately 15.5 cups (3.7 liters) of fluids per day for men. Approximately 11.5 cups (2.7 liters) of fluids per day for women.
“In general, try to drink between half an ounce and one ounce of water for every pound you weigh every day.” For example, if you weigh 150 pounds, that would be 75 to 150 ounces of water per day.
The National Academies of Science, Engineering and Medicine recommends the following for daily fluid intake: 125 ounces (3.7 liters) for men. 91 ounces (2.7 liters) for women.
4 cups contain 32 fluid ounces; in 0.5 cup there are 4 fluid ounces; in .25 of a cup is 2 fluid ounces; and.
In this context, you may first want to understand what 8 oz in cups means. Based on the measurement chart, eight ounces equals one cup. Usually, you might want to ask, does 8 ounces always equal one cup? Yes, a cup of water is 8 ounces in both liquid measurement and weight.