Calculate Daily Water Goal

Calculate how much water you should drink daily based on your weight and activity.

Body Weight (kg)

Exercise per Day (minutes)

Total Liters

—

8oz Glasses

—

The Methodology

33ml per kg of body weight

This tool uses the verified professional formula shown above. We cite our sources so you can trust every result.

How it works

This tool calculates a baseline water requirement based on your weight (approx 33ml per kg). It then adds additional water to compensate for fluid loss during exercise (approx 500ml per hour of activity).