Water intake calculator is a tool website that calculate how much an individual person should drink each day based on his/her body, habits and daily activity. This Water Intake Calculator is run on browser your input information not saved in server.

Water Intake Calculator

This tool estimates how much water you should drink each day based on your body and habits. It works entirely in your browser.

Enter your weight, activity level and climate below and click Calculate to see how much water you should drink per day.
More exercise means more water lost through sweat, so your target goes up.
Recommended Daily Water Intake

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From Body Weight

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Extra From Exercise

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Extra From Climate / Other Factors

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SourceAmount
This is a general estimate. About 20 percent of daily water intake typically comes from food. Individual needs vary, and this is not medical advice. People with kidney, heart or other conditions should follow guidance from a doctor.