5 Questions
What is the Adequate Intake for total water for adult women in the United States based on median intakes?
3 litres (110 imp fl oz; 100 US fl oz) per day
What is the recommended total daily water needs for physically active individuals in hot climates?
6 litres (210 imp fl oz; 200 US fl oz) or more
What is the average daily drinking water intake for Americans age 21 and older?
1,043 mL (36.7 imp fl oz; 35.3 US fl oz) per day
What percentage of total water intake is recommended to come from beverages for human males older than 18 in the United States?
80%
What is the common advice for daily water intake that is not based on science?
To drink 8 glasses (1,900 mL or 64 US fl oz) of plain water per day
Study Notes
Water Intake Recommendations
- The Adequate Intake (AI) for total water for adult women in the United States is based on a median intake of 2.7 liters (91 ounces) per day.
- Physically active individuals in hot climates require 3.5-4.7 liters (118-158 ounces) of total water per day.
- The average daily drinking water intake for Americans age 21 and older is 2.5 liters (85 ounces) per day.
- For human males older than 18 in the United States, it is recommended that 81% of total water intake comes from beverages.
- The common advice to drink at least eight 8-ounce glasses of water per day is not based on scientific evidence.
Test your knowledge of recommended daily water intake with this quiz. Explore the factors affecting the amount of water you should drink and learn about the Adequate Intake for different demographics. Stay hydrated and healthy!
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