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Health Tools
Daily Water Intake Calculator
Calculate your recommended daily hydration targets in Liters, Milliliters, Fluid Ounces, and 8 oz glass counts based on body weight, climate, and exercise.
Last updated August 2, 2026
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How to use Daily Water Intake Calculator
1Enter your body weight in kg or lbs.
2Select your local climate environment (Normal, Warm, or Hot/Tropical).
3Enter your daily physical exercise duration in minutes.
4View your total daily water requirement in Liters, Ounces, and equivalent glass counts.
Why use this tool
Factors body weight, exercise duration, and climate temperatures.
Provides outputs in Liters, Milliliters, Ounces, and standard glasses.
Supports both Metric and Imperial units.
Use cases
Athletic Performance & Health
Ensure optimal hydration levels during summer workouts or endurance training.