Calculate your daily water intake needs based on weight, activity level, and climate. Free online hydration calculator.
Calculate your personalized daily water intake needs based on your body weight, activity level, climate, and other factors. Stay properly hydrated for optimal health.
Enter your information above to see your personalized water intake recommendations.
Water is essential for every bodily function including temperature regulation, nutrient transport, and waste removal.
Water needs vary based on body size, activity level, climate, diet, and health conditions.
Thirst, dark urine, fatigue, dizziness, and dry mouth are common signs of dehydration.
Drinking too much water can cause hyponatremia. Listen to your body's thirst signals.
This calculator provides general recommendations for educational purposes only and should not replace professional medical advice. Individual water needs may vary significantly based on health conditions, medications, and other factors. Always consult with a healthcare provider for personalized hydration recommendations, especially if you have kidney disease, heart conditions, or other medical concerns. Listen to your body's thirst signals and adjust accordingly.
The general recommendation is 8 glasses (64 ounces) per day, but individual needs vary based on body weight, activity level, climate, and health conditions. This calculator provides personalized recommendations.
While coffee and tea do contribute to hydration, they also have diuretic effects. It's best to count them as about 50% of their volume toward your daily water goal.
Signs of adequate hydration include clear or light yellow urine, regular urination, and feeling thirsty only occasionally. Dark urine or infrequent urination may indicate dehydration.