Hydration Calculator

Water's Role in the Body

Water helps nearly every part of the human body function. Considering that our bodies are almost two-thirds water, understanding water's important role in the body can be a fountain of health. The following are just some of the things water does in the body:

  • Brain is 75% water / Moderate dehydration can cause headaches and dizziness
  • Water is required for expiration
  • Regulates body temperature
  • Carries nutrients and oxygen to all cells in the body
  • Blood is 92% water
  • Moistens oxygen for breathing
  • Protects and cushions vital organs
  • Helps to convert food into energy
  • Helps body absorb nutrients
  • Removes waste
  • Bones are 22% water
  • Muscles are 75% water
  • Cushions joints
Hydration Calculator is being updated. Please check back soon.

Bottled Water and Activity Level


Hydration Tips for Children

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