Estimate daily fluid needs from body weight, activity duration and climate, and break the total between plain water, beverages and the water held in food.
含食物水分,炎热/运动需增加。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Recommended total | adult total water intake includes drinking water and food moisture by sex and activity | Chinese Dietary Guidelines 2022 |
| Drinking portion | plain drinking covers about half the total with food supplying the rest | EFSA 2010, dietary reference values water |
| Special cases | heat exercise pregnancy and lactation raise needs while renal or cardiac disease limits them | EFSA 2010, dietary reference values water |