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Daily Water Intake Calculator

Calculate your daily water intake needs based on weight, activity level, and climate for optimal hydration

What is a Water Intake Calculator?

A water intake calculator estimates your daily hydration needs based on your body weight, activity level, and environmental factors. Proper hydration is essential for maintaining optimal health, supporting bodily functions, and preventing dehydration.

Our free water intake calculator uses scientifically-based formulas to determine your personalized daily water needs. The calculation considers your weight, physical activity level, and climate conditions to provide accurate recommendations.

Why Calculate Water Intake?

  • Optimal Hydration: Maintain proper fluid balance for health
  • Performance: Support physical and mental performance
  • Health Benefits: Aid digestion, circulation, and temperature regulation
  • Weight Management: Support metabolism and appetite control
  • Prevent Dehydration: Avoid dehydration symptoms and health issues

Factors Affecting Water Needs:

  • Body Weight: Larger individuals need more water
  • Activity Level: Exercise increases water loss through sweat
  • Climate: Hot and dry climates increase water needs
  • Health Conditions: Some conditions may require adjusted intake
  • Age and Gender: Different age groups and genders have varying needs

Enter Your Details

Moderate Activity (3-5 days/week)
Normal Temperature

Recommended Daily Water Intake

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Enter your details to calculate your daily water needs

Calculate your daily water intake needs based on weight, activity level, and climate for optimal hydration

About Daily Water Intake

Proper hydration is essential for optimal health. Water needs vary based on body weight, physical activity, climate, and individual factors.

General Guidelines:

  • Men: ~3.7 liters (15.5 cups) per day
  • Women: ~2.7 liters (11.5 cups) per day
  • Base Formula: 30-35ml per kg of body weight

Factors That Increase Needs:

  • Physical activity and exercise
  • Hot weather or high altitude
  • Pregnancy or breastfeeding
  • Illness or fever

Remember: This is a general guideline. Individual needs may vary. Listen to your body and consult healthcare professionals for personalized advice.