Water Intake Calculator
Estimate how much water to drink daily based on your weight and exercise.
Runs in your browser — files never leave your device
Daily water
2.8 L
Glasses (250 ml)
11
How it works
Enter your weight and daily exercise to estimate how much water to drink, in litres and glasses.
Frequently asked questions
- How is the target estimated?
- About 35 ml per kg of body weight, plus extra for exercise. Needs vary with climate and health.
- Is my data uploaded?
- No — it’s calculated in your browser.
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