Water Intake Calculator
Estimate a practical water starting point from body weight plus planned exercise. Food, heat, altitude, illness, pregnancy, and medical conditions can change fluid needs.
Water Intake Calculator
Estimate a practical water starting point from body weight plus planned exercise. Food, heat, altitude, illness, pregnancy, and medical conditions can change fluid needs.
Method and assumptions
Figur applies straightforward arithmetic to the values you enter. The calculation runs locally in your browser and is not stored.
- The result depends on accurate inputs and units.
- External factors, fees, taxes, or rules not requested by the calculator are not included.
- Use the result as a planning estimate and verify any high-stakes decision.
Sources and references
No external data source is required: this calculator uses standard arithmetic and the values you enter.
Frequently asked questions
Does this include water in food?
This is a simple fluids target, not a measurement of total water from foods and drinks.
Can I drink too much water?
Yes. Follow clinician guidance for kidney, heart, or fluid-balance conditions, and avoid forcing fluids.