Free Online Water Intake Calculator

Calculate your optimal daily water intake based on your body weight, activity level, climate, and health goals with our comprehensive hydration calculator. Perfect for athletes, health enthusiasts, and anyone looking to optimize their hydration. Features personalized water recommendations, activity adjustments, climate considerations, health condition factors, and detailed hydration tracking. Get science-based hydration targets to improve your health and performance.

💧 Calculation Type

📊 Basic Water Intake Calculator

Real-time Calculation
kg
Your current body weight
years
Daily Water Intake
0L
total daily target
Per Hour
0ml
during waking hours
Glasses (250ml)
0
standard glasses
Bottles (500ml)
0
water bottles
Per kg Body Weight
0ml
ml per kg
Morning Intake
0ml
upon waking

📈 Hydration Insights & Tips

💧
Hydration Status
Enter your details to analyze
Timing Strategy
Get personalized timing advice
💡
Recommendation
Complete calculation first

⏰ Personalized Hydration Schedule

🥤 Hydration Sources

💧
Plain Water
100% hydration value
🍵
Herbal Tea
95% hydration value
🍉
Water-Rich Fruits
85% hydration value
🥒
Vegetables
80% hydration value