Water Intake Calculator
Get a personalized daily water intake recommendation based on weight.
How much water should you drink daily?
How to use
- Enter your body weight.
- Select units (kg or lb) if offered.
- View recommended daily water intake in liters or cups.
- Adjust for activity level if the tool provides that option.
About Water Intake Calculator
How much water should you drink daily?
Runs in your browser — your files and input stay on your device.
Frequently asked questions
Is this personalized medical advice?
No. Hydration needs vary; this is a general guideline.
Does climate affect needs?
Yes. Hot weather and exercise increase fluid requirements beyond the estimate.
Is data stored?
No.