Using the calculator
Enter Body weight, Exercise per day, Climate, Pregnancy or breastfeeding. Estimate a practical daily fluid planning target from body weight, activity, climate and pregnancy or breastfeeding status.
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Water Intake Calculator
Estimate a practical daily fluid planning target from body weight, activity, climate and pregnancy or breastfeeding status.
Enter your measurements and health details
Use current, consistently measured values for the water intake calculation. Results update automatically and are intended for education and planning, not diagnosis.
lb
minutes
Estimated fluids per day—
Estimated liters per day—
Approximate 8 oz cups—
Important: Health results are educational screening and planning estimates. They are not a diagnosis and are not a substitute for medical care.
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How to use this calculator
Reading the result
The result shows a practical daily fluid planning target from body weight, activity, climate and pregnancy or breastfeeding status.
Results are estimates based on the values entered. Review the Methodology and Calculator Disclaimer for important limitations.