Back to all calculators

Health & fitness

Water needs

Estimate daily water intake from body weight.

Your result

Complete the fields and calculate.

Example

Water needs

75 kg corresponds to a guide of 2.63 l daily.

FAQ

Frequently asked questions

How accurate is the result?+

The calculator uses the stated formula and only rounds the display. Accuracy depends on your inputs.

Is this calculator really free?+

Yes. Use it as often as you like without an account or registration.

Are my entries stored?+

The calculation runs directly in your browser. Calculator values are stored locally only when you explicitly add a result to “My results”. Favourites and history also remain locally on your device.