Water Intake Calculator — Daily Hydration Requirement

Calculate your daily water intake requirement based on weight, activity level, and climate. Find out exactly how many glasses of water you need to drink per day.

Loading Water Intake Calculator…

Preparing your calculator

How to Use Water Intake Calculator

  1. 1Enter the required values in the input fields above.
  2. 2Click the Calculate button or results update instantly as you type.
  3. 3View your results in the output panel below the inputs.
  4. 4Adjust any values to recalculate instantly.