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Water Intake Calculator

water intake · daily water · hydration calculator · 물 섭취량

Water Intake Calculator

Calculate your recommended daily water intake based on weight, activity, and climate

Recommended Daily Intake

2.7 L

12
US cups
92 oz
fl oz
11
250ml glasses

This is an estimate. Consult a healthcare provider for personalized advice.

How to use

  1. 1

    Enter your weight.

  2. 2

    Pick activity and climate.

  3. 3

    See your daily water target.

FAQ

Is this tool free?

Yes — no sign-up, no installation, completely free to use right away.

What is this tool?

This tool estimates how much water you should drink each day. Based on your weight and activity, it suggests a daily target to help you stay hydrated. It's a simple nudge toward a healthier routine. Your details aren't stored and the calculation happens in your browser.