Water intake calculator (informational)
Enter your weight to get an estimated daily water intake range.
Result
A 70 kg person gets an estimate of about 2.1–2.8 L/day using the 30–40 ml/kg rule.
Example
Estimate daily water intake from body weight in your browser. Values stay on your device; informational only, not a medical recommendation.
A 70 kg person gets an estimate of about 2.1–2.8 L/day using the 30–40 ml/kg rule.
Processed locally in your browser.
Methodology
Uses a 30–40 ml/kg rule of thumb. Climate, activity and health conditions change real needs; this is not medical advice.
Sources
- Rule of thumb only. Not a substitute for clinical guidance, especially for kidney, cardiac or endocrine conditions.
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