Water Intake Calculator
Get a simple daily hydration target based on your weight and activity.
Runs in your browser — nothing is uploaded—
Details
Informational only — not medical advice. Talk to a doctor or registered dietitian about your health.
How to use Water Intake Calculator
- Enter your weight.
- Add daily exercise and climate.
- Read your target in liters and glasses.
Questions
Does coffee or food count?
Yes — all drinks and water-rich foods contribute. Pale yellow urine is a simple sign you’re drinking enough.