Water Intake Calculator – Daily Hydration Needs


Water Intake Calculator – Daily Hydration Needs

 

Water Intake Calculator – Daily Hydration Needs

How much water should you drink a day? This calculator estimates your daily hydration needs from your weight, activity level, and climate — with a simple glass count.

Daily water intake—
In fluid ounces—
8-oz glasses—

This calculator runs entirely in your browser. Guidance only — not medical advice.

Popular hydration searches

  • How many ounces of water should I drink a day
  • Water intake per pound of body weight
  • How much water to drink while working out

More free tools are on the way — suggest a tool you'd like to see next.

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