Water Intake Calculator

Calculate your personalized daily water intake based on your body weight, activity level, and climate. Proper hydration is essential for health, weight loss, and athletic performance.

Measurement Units

Metric (kg) Imperial (lbs)

Body Weight (kg) Enter your current body weight

Activity Level Choose based on your typical weekly exercise

Climate Your typical environmental conditions

Your Results

Daily Water Intake Recommendation

Daily water you should drink

Hydration Tips

Daily Water Breakdown

Base Water Intake

~30-35 mL per kg (or 0.5 oz per lb) - foundation of hydration

Activity Bonus

+500mL per hour of exercise, +250mL for light activity

Climate Adjustment

Hot/humid climates add 10-30% more water needs due to perspiration

Sample Hydration Schedule

Morning (6-9 AM) ~500 mL water

Before Lunch (11-12 PM) ~500 mL water

Afternoon (2-5 PM) ~500 mL water

Evening (6-9 PM) ~500 mL water

💡 Spread water intake throughout the day rather than drinking large amounts at once for optimal absorption

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