Free health tool
Water Intake Calculator
Estimate daily water intake from body weight, activity, and weather.
Runs locally in your browser. No signup needed.
Why use this?
A simple hydration estimate is useful for travel, exercise, and busy workdays. Not medical advice.
Quick tips
- Runs locally in your browser.
- Use the result as a starting point, then adjust for your context.
- Bookmark this tool if it saves you time.