Live tool/tool/water-intake-calculator
Water Intake Calculator
Estimate a daily hydration target from body weight, activity, and heat exposure assumptions.
HealthNutritionReference
Target ounces
119 oz
Target liters
3.5 L
Activity add-on
18 oz
Climate
warm
Estimate
Hydration needs vary with altitude, sweat rate, and medical conditions. Use this as a starting point only.