Water Intake Calculator

Calculate daily hydration needs based on weight, activity, and climate. This tool provides a personalized water intake goal to support health and prevent dehydration.

Daily water intake calculator

Recommended water intake: 2310 mL

What is the Water Intake Calculator?

Calculate daily hydration needs based on weight, activity, and climate. This tool provides a personalized water intake goal to support health and prevent dehydration.

Why use our tool?

  • Instant Results: Powered by modern web technologies, results appear exactly as you type.
  • 100% Free: No hidden fees, no subscriptions, and no registration required to use the Water Intake Calculator.
  • Mobile Friendly: Works perfectly and beautifully on your smartphone, tablet, or desktop.
  • Privacy First: All calculations are performed directly in your browser. No personal data is sent to our servers.