Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Water Usage
Greywater Recycling Calculator
Estimate your household's weekly greywater output from showers, sinks, and laundry, then see how many gallons are available for garden irrigation or toilet flushing after system losses. Use it when sizing a greywater recycling setup.
Fill in the required fields to see your result.
Water Usage
Daily Water Intake Calculator
Estimate the daily water intake (in liters) a person should target based on body weight and physical activity level. Use this as a starting point for hydration planning, not a medical prescription.
Fill in the required fields to see your result.
Key differences
| Greywater Recycling Calculator | Daily Water Intake Calculator | |
|---|---|---|
| Category | Water Usage | Water Usage |
| Inputs required | 5 | 2 |
| Result | Weekly Greywater Available (gallons) | Daily Water Intake (liters) |
| What it does | Estimate your household's weekly greywater output from showers, sinks, and laundry, then see how many gallons are available for garden irrigation or toilet flushing after system losses. Use it when sizing a greywater recycling setup. | Estimate the daily water intake (in liters) a person should target based on body weight and physical activity level. Use this as a starting point for hydration planning, not a medical prescription. |