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Water Intake Calculator

A body-weight based estimate of daily water needs, adjusted for how much you move. Climate, pregnancy, and illness can raise this further.

2.6LDaily water target
Daily water target2.6 L
In glasses (250ml)~11 glasses
In ml2,625 ml

Spread intake through the day — thirst is a lagging signal, not a leading one.

This tool gives a general estimate for informational purposes and isn't a medical diagnosis. If you're pregnant, managing a chronic condition, or unsure about a result, check with a doctor or registered dietitian before changing your diet or exercise.