Free tool
Water Intake Calculator
Find how much water your body needs each day, adjusted for your activity level.
Fill in the form to see your daily water target here.
Calculating your result…
–liters / day
Approx. cups (240ml)–
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Staying hydrated while losing weight
Water supports metabolism, helps manage hunger cues that are sometimes mistaken for thirst, and becomes even more important as activity or heat increases. This estimate is a helpful baseline — adjust based on climate, exercise intensity, and how your body responds.