Health & fitness · NUMORA
Water Intake Calculator
A starting point from body mass and activity.
Open interactive calculatorHow to use
Heuristic 30–35 ml/kg plus training. Not medical advice.
Formula
ml = kg × 33 + extra
FAQ
Is this Water Intake calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
Heuristic 30–35 ml/kg plus training. Not medical advice.
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