Daily Water Intake Calculator
Easily estimate your daily water needs to stay hydrated and healthy. Our free online tool provides a personalized recommendation based on your weight and activity level. Also, check your target heart rate zones for effective workouts.
Your Details
Enter your weight and activity level to estimate your daily water needs.
We add ~12 oz (0.35 L) of water for every 30 mins of exercise.
Did you know?
This is a general guideline. Your individual needs may vary based on health, climate, and other factors. Always listen to your body.
How to Use This Tool
- Select Units: Choose between Metric (kg) or Imperial (lbs).
- Enter Weight: Input your current body weight.
- Activity Level: Select the option that best describes your weekly physical activity.
- Calculate: Click "Calculate" to see your recommended daily water intake.
Frequently Asked Questions
Ready to Check Your Hydration Needs?
Try our free water intake calculator now for an instant recommendation!