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Hydration Calculator

Free hydration calculator to calculate daily water intake target. Instant results in your browser — no signup.

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Goal planner

Work backward from a target to the plan you need.

Your target

Start from the goal, then fill the constraints.

Results update when you click Calculate.

What you need to do

Required action to hit the target.

Water (L/day)

2.31

Required to reach your target

(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 hydration calculator to calculate daily water intake target. Instant results in your browser — no signup. Calculate daily water intake target: (weight) * 0.033.

Assumptions

  • Rule dependency: Universal formula.

How it works

Calculate daily water intake target: (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 target calculator do?+

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

How should I read the result?+

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