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 ...

Triple-digit heat days are starting to pile up, and it’s important for us to stay hydrated. We’ve all heard that 8 glasses of water each day is best. But the truth is, how much water you need varies.

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 ...