Water Intake Calculator

Daily water needs from weight, activity, climate and special states.

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See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Water Intake Calculator

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Enter your body weight in kilograms.

  2. 2

    Step 2. Pick your activity level.

  3. 3

    Step 3. Choose your climate (cold, temperate, hot).

  4. 4

    Step 4. Tick pregnant or nursing if applicable.

  5. 5

    Step 5. Read your daily target in liters, cups, fluid oz and milliliters.

Why use this tool

Frequently asked questions

Everything you might want to know about water intake calculator.

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