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Water Intake Calculator

Daily water needs by weight and activity.

Daily water intake

Daily water
105 oz
3,119 ml · 13.2 cups
Bottles (16.9 oz)
6.2

About the Water Intake Calculator

MethodologyHome

Daily water needs by weight and activity. Use this free water intake calculator to get instant results. All calculations run in your browser — nothing is sent to a server.

Frequently asked questions

What does this Water Intake Calculator do?

Daily water needs by weight and activity.

Is it free?

Yes — every calculator on Calcly is free, with no sign-up or account required.

Does it work offline?

The site is a Progressive Web App — after your first visit, most pages work without an internet connection.