Daily Water Intake Calculator
wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time.
Learn more...
Are you drinking enough water? Staying hydrated is key for energy, brain function, and overall health, but the right amount isn't the same for everyone. Tell us a little about yourself, and we'll give you a personalized recommendation to help you stay optimally hydrated.


Why Staying Hydrated Matters for Your Health
Water isn't just a thirst-quencher; it's a vital component for almost every bodily function. From regulating body temperature to transporting nutrients and lubricating joints, proper hydration is fundamental to your health and well-being. Ignoring your water intake can lead to fatigue, headaches, poor concentration, and even more serious health issues.
Make sure you stay hydrated with these tips and tricks:
- How to Drink Enough Water
- How to Drink More Water Every Day
- How to Figure Out How Much Water You Should Drink Every Day
- How Many Bottles of Water Should You Be Drinking Each Day?
- How to Get Your Eight Glasses of Water a Day
Ready to optimize your daily water intake? Use the calculator above to get a personalized recommendation and start feeling the benefits of proper hydration!