Water Intake Calculator
A simple daily water target based on your weight, activity and weather.
Result
How to use
- 1
Set your weight and daily exercise.
- 2
Choose the weather.
- 3
See your suggested daily water intake.
Questions
Does tea or food count?
Yes. Water from food, milk, buttermilk and other drinks also counts towards your daily needs.
Can I drink too much water?
Very large amounts in a short time can be harmful. People with kidney or heart conditions should follow their doctor's advice.
About this Water Intake tool
Water Intake Calculator — A simple daily water target based on your weight, activity and weather. It is one of 200 free tools on namasivayam.in, made by software engineer Namasivayam Vadivelan for everyday use in India.
Everything is calculated instantly in your browser: nothing you type or upload is sent to any server, there is no sign-up, and it works on mobile and desktop. Set your weight and daily exercise.
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Results are estimates to help you plan. They are not financial, tax or medical advice.