Daily Water Intake Calculator

A free, 60-second calculator to find your personalised daily hydration target, adjusted for India's heat and humidity.

Baseline formula and guidance informed by Mayo Clinic's water intake guidelines (fluid needs vary by body weight, activity, climate, and life stage), with an India-specific hot/humid climate adjustment based on Indian nutrition guidance aligned with ICMR-NIN (National Institute of Nutrition) reference intakes. This is an educational estimate, not medical advice. See the disclaimer at the end.
Please enter your weight and answer all the questions above.

Almost done. Tell us where to send your personalised hydration target.

Please enter your name and a valid email address.
Thanks! Your hydration target is below. We've also noted your enquiry.
Something went wrong sending your details, but your result is shown below anyway.

How we calculated this

Tips to hit your target in Indian conditions

    Want help building better daily habits?

    Califitoga's coaches build hydration, nutrition, and movement guidance into every program: personal, group, or corporate.

    Book a Free Consultation

    This tool gives a general educational estimate only and does not account for medical conditions such as kidney or heart disease, or medications that affect fluid balance. If you have such a condition, or symptoms of significant dehydration or fluid overload, please consult a doctor. Sources: Mayo Clinic · ICMR-NIN dietary reference intake guidance for Indian conditions.

    Privacy Preference Center