Water Tools & Calculators
Free, interactive tools to plan your hydration, balance your electrolytes and compare bottled water brands by pH, minerals and more.
Hydration Calculator
Estimate your daily water intake based on weight, age, activity and climate.
Water Intake Calculator
Detailed daily intake with caffeine, alcohol and food-water adjustments.
Electrolyte Calculator
Estimate sodium, potassium, magnesium and calcium losses from exercise and sweat.
Water pH Comparator
Compare up to 5 bottled water brands on the 0–14 pH scale, side by side.
Mineral Content Comparator
Compare calcium, magnesium, sodium and TDS across multiple brands.
Daily Hydration Tracker
Log every glass, see daily progress, weekly history and your streak.
Water Recommendation Quiz
Answer 6 quick questions and get 3 bottled water picks tailored to you.
Water Brand Finder
Search the full bottled water directory by brand name, type, country, pH and TDS.
Sparkling Water Comparator
Compare carbonation, pH and mineral strength across sparkling water brands.
Low-Sodium Water Finder
Filter bottled waters by maximum sodium for low-sodium diets and infant use.
Water Source Map
Explore bottled water brands by country and source on a global map.
Premium Water Comparison
Side-by-side comparison of premium bottled water brands: source, minerals and taste.
