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Hydration Calculator

Calculate your daily water intake and hydration needs for optimal performance and health

Calculate Your Daily Hydration Needs

Hydration Calculation Form

Enter your current body weight
Enter your age in years
Gender
Select your typical weekly activity level
Climate affects hydration needs
Average daily exercise duration and intensity
Hold Ctrl/Cmd to select multiple conditions

Your Hydration Results

Daily Water Intake

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Hydration Breakdown

Base Needs
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Activity
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Climate
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Health Factors
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Recommended Hydration Schedule

Hydration Tips & Sources

Personalized Recommendations

About Hydration

Proper hydration is essential for athletic performance, overall health, and bodily functions. Your water needs depend on various factors including activity level, climate, and individual health conditions.

Why Hydration Matters

  • Regulates body temperature and prevents overheating
  • Lubricates joints and protects tissues
  • Helps transport nutrients and oxygen to cells
  • Supports kidney function and waste removal
  • Maintains blood pressure and heart health
  • Improves cognitive function and mood

Signs of Dehydration

  • Thirst and dry mouth
  • Dark yellow urine
  • Fatigue and weakness
  • Dizziness and headache
  • Decreased performance
  • Muscle cramps

Hydration Guidelines

  • General: 8-10 glasses (64-80 oz) per day
  • Exercise: Additional 16-24 oz per hour of activity
  • Hot Climate: Increase intake by 25-50%
  • Pregnancy: 80-100 oz per day
  • Breastfeeding: 100-130 oz per day

Best Hydration Sources

  • Water (plain, sparkling, mineral)
  • Herbal teas and infusions
  • Fruits and vegetables with high water content
  • Electrolyte drinks for intense exercise
  • Coconut water for natural electrolytes
  • Milk and plant-based alternatives