Water Intake Calculator
Calculate your daily water intake needs based on weight, activity level, and climate.
Published by:
isCalculator Editorial Team
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How to use this tool?
Follow these steps to calculate your daily water intake:
- Enter your weight in kilograms (e.g., 70). Use metric units only.
- Select your activity level from the dropdown: Sedentary, Moderate (default), Active, or Very Active.
- Choose your climate: Cool, Temperate (default), or Hot/Humid.
- Click "Calculate" to see your recommended daily water intake in milliliters (ml).
How it works: The calculator starts with a base of 30 ml per kg of body weight, then adds extra water based on your activity (0–600 ml) and climate (0–400 ml). The result shows total ml per day.
Previous Results
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Frequently Asked Questions
The calculator uses a base of 30 ml per kg of body weight, then adds extra for activity level (300-600 ml) and climate (200-400 ml).
It provides a general guideline. Individual needs may vary; consult a healthcare provider for personalized advice.
Currently the calculator uses kg. Convert pounds to kg by dividing by 2.205.
