Daily Water Intake Calculator
Estimate a general daily water target based on your body weight and activity. A practical rule-of-thumb to support healthy hydration β your needs change with climate, health, and pregnancy.
Quick answer
A common guideline is roughly 35 ml of water per kilogram of body weight per day, with more for exercise and hot climates. Your real needs vary with health, pregnancy and activity.
Enter your details
Medical disclaimer: This is general health information, not medical advice. It does not diagnose or treat any condition, and the results are estimates based on public reference formulas. Always consult a qualified doctor about your individual health. If you think you may have a medical emergency, contact your local emergency services immediately.
Talk to a doctor
Get a professional evaluation from a verified doctor by video, audio, or chat β available across 60+ countries on GeraClinic.
Book a consultationRelated health tools
Ready to speak to someone? Find and book a verified doctor on GeraClinic.