That’s where a water intake calculator comes into play. These calculators use your age, height, weight, activity level, and location to determine how much water you should be drinking a day. The ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

You may be able to drink more water by following tips that include tracking your intake and swapping out other beverages for water. Your body is about 70% water, and drinking enough of it is vital for ...

Consistently consuming less water than recommended can lead to suboptimal hydration, typically reflected in darker, more concentrated urine and decreased urine output. Scientific evidence links ...