Calcometry
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Water Intake Calculator
Rough daily fluid estimate from weight (~35 ml/kg) plus exercise adjustment.
Activity
Daily water
3 L
≈ 12.5 cups (100 fl oz)
- Milliliters
- 2,950 ml
Ad slot A · Below calculator
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Hydration estimate
Needs vary with climate, health, and diet. This uses a common weight-based guideline plus extra for exercise — not a medical prescription.
Ad slot B · Mid content