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WaterIntakeCalculator.xyz

Calculate Your Optimal Water Intake

Stay properly hydrated with our scientifically-based water intake calculator. Get personalized recommendations based on your body metrics and lifestyle.

Why Proper Hydration Matters

Boosts Energy Levels

Even mild dehydration can cause fatigue and reduced energy. Proper hydration helps maintain optimal physical and mental performance.

Enhances Brain Function

Hydration affects concentration, memory, and mood. Studies show even 1-2% dehydration can impair cognitive performance.

Supports Detoxification

Water helps kidneys filter waste and toxins from your blood. Adequate hydration prevents kidney stones and urinary tract infections.

Hydration Articles

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Signs of Dehydration

Learn to recognize the early and late signs of dehydration to prevent health complications.

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Water vs. Sports Drinks

When to choose water and when electrolyte drinks might be better for hydration.

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Hydration for Athletes

Special hydration considerations for athletes and active individuals.

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How Our Calculator Works

Our water intake calculator uses scientifically validated formulas to estimate your daily hydration needs based on multiple factors that affect water requirements.

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Calculation Formula

Base water requirement = Weight (kg) × 0.033

Adjusted for activity level multiplier

Climate factor adjustment

Special conditions (pregnancy, breastfeeding)