Calculate your personalized daily water intake needs
Start tracking your nutrition with Cal AI
Our water intake calculator uses a comprehensive approach that considers multiple factors affecting your hydration needs:
The calculator provides personalized recommendations in multiple units for your convenience.
Watch for these warning signs that you may need to increase your water intake:
If you experience severe dehydration symptoms, seek medical attention immediately.
The general guideline is about 2-3 liters (8-12 cups) per day, but your actual needs depend on your weight, activity level, climate, and diet. This calculator provides a personalized recommendation based on your specific factors.
Yes — coffee, tea, and other beverages contribute to your daily fluid intake. While caffeine has a mild diuretic effect, the net hydration from these drinks is still positive. Water remains the best choice for hydration.
Common signs include dark yellow urine, thirst, dry mouth, fatigue, headache, and dizziness. A simple test: if your urine is pale yellow, you're likely well-hydrated. Darker urine suggests you need more fluids.
Download Cal AI to track not just your water intake, but your complete nutrition journey with AI-powered food recognition.