Guides
Hydration guides
Long-form articles on daily water intake, popular water rituals, and hydration for specific goals. Each guide links to a matching calculator.
How Much Water to Drink in Mexico City: Local Guide
Daily hydration target for residents of Mexico City — adjusted for climate, altitude, and air quality.
How Much Water to Drink in Buenos Aires: Local Guide
Daily hydration target for residents of Buenos Aires — adjusted for climate, altitude, and air quality.
How Much Water to Drink in Sao Paulo: Local Guide
Daily hydration target for residents of Sao Paulo — adjusted for climate, altitude, and air quality.
How Much Water to Drink in Rio de Janeiro: Local Guide
Daily hydration target for residents of Rio de Janeiro — adjusted for climate, altitude, and air quality.
Water Intake for BMI Under 18: Daily Target
Underweight adult hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 19: Daily Target
Lower-normal BMI hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 20: Daily Target
Normal-weight hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 21: Daily Target
Normal-weight hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 22: Daily Target
Normal-weight hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 23: Daily Target
Normal-weight hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 24: Daily Target
Upper-normal hydration. Weight-based fluid target with adjustments for activity and climate.
Water Intake for BMI 25: Daily Target
Overweight range hydration. Weight-based fluid target with adjustments for activity and climate.