Guard Your Health is a resource for Army National Guard Soldiers and family members. Find health-related tools and information. Hear from fellow Soldiers and Families. Make medical readiness part of your personal mission.

Hydration Calculator

Water is critical for a healthy body and clear mind, especially for Soldiers who need to perform their best. But, are you drinking enough? The Hydration Calculator figures out how many glasses of water you need each day. Put in your weight, activity level, climate, and exercise. Get your results, then get to gulpin’.


Validation errors occurred. Please confirm the following fields and submit again:
I live in a dry climate
I did strenuous exercise today

Enter your information to learn your water requirement