Daily water intake Calculator

Free daily water intake calculator to estimate daily water intake. Instant results in your browser — no signup.

JavaScript is required for live calculation.

You can still read how Daily water intake Calculator works, the formula, examples, and FAQs below.

Weight
Activity
Climate

Direct calculator

Enter values and calculate an instant answer.

Inputs

Enter the values, then calculate.

Weight

Activity

Climate

Results update when you click Calculate.

Result

Primary answer and useful breakdowns.

Water (L/day)

2.31

(weight) * 0.033

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Recently used

Tools you open will show up here on this device — with your last inputs when available.

What this result means

Free daily water intake calculator to estimate daily water intake. Instant results in your browser — no signup. Estimate daily water intake: (weight) * 0.033.

Assumptions

Rule dependency: Formula / population assumption.

How it works

Estimate daily water intake: (weight) * 0.033.

Example

Example: “water intake calculator”. Enter your values and click the button to get a result.

Frequently asked questions

What does this daily water intake calculator do?+

It helps you estimate daily water intake. Typical search: “water intake calculator”.

How should I read the result?+

Estimate daily water intake using weight; activity/climate. Result: water target.