Dehydration & Water Balance Checker
Check your hydration status from weight, water intake and urine color
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
Enter your weight, how much water you drank in the last 24 hours, how often you urinated, and your urine color to get a quick three-level hydration assessment based on your intake versus your estimated need. It's handy for anyone monitoring fluid intake during hot weather or after exercise, and everything is calculated locally in your browser with nothing sent to a server.
How to use
- Enter your current weight in kilograms.
- Enter how much water (ml) you've drunk in the past 24 hours.
- Select your daily urination count and urine color.
- Read the hydration status and explanation shown at the top.
FAQ
- How is the recommended water intake calculated?
- It uses a baseline of 30ml per kilogram of body weight, then compares that target to your actual intake.
- Why does urine color matter?
- Urine color is one of the simplest visible signs of hydration — darker or brownish urine suggests a higher chance of dehydration.
- Is my data saved anywhere?
- No. All calculations happen entirely in your browser, and no information is sent to or stored on any server.