Calculate your total daily fluid needs including water from food, beverages, and exercise losses.
Enter your values below
How this calculator works
Calculates total daily fluid needs: base (33 mL/kg) + exercise additions + climate adjustments - diuretic reductions (caffeine/alcohol). Accounts for ~20% of water from food intake.
Common questions about this calculator
Hydration needs vary based on health conditions, medications, and activity levels. Consult a healthcare provider if you have fluid restriction requirements.
