BarnMD General Health Hub

Daily Water Intake Calculator

Estimate your recommended daily water intake based on body weight, activity level, and climate.

Medically ReviewedWeight-Based FormulaPDF ExportPrivate & Secure

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Body Weight (kg)

Activity Level

Climate / Environment

Clinical Note

Daily water needs are calculated using a weight-based formula with adjustments for activity level and climate. Individual needs may vary.

Enter your details

Your personalized hydration target will appear here once you submit the form.

Educational use only. This calculator provides general hydration recommendations. Individual needs vary based on health conditions, diet, medications, and activity levels. Always consult a healthcare provider for personalized advice.