Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Environment
Household Water Usage Calculator
Estimate your household's total weekly water consumption in gallons based on showers, dishwasher cycles, and laundry loads. Use it to spot wasteful habits, size a rainwater system, or benchmark against conservation targets.
Fill in the required fields to see your result.
Environment
Rainwater Harvesting Calculator
Calculate how many gallons of rainwater your roof can collect each year based on area, local rainfall, and system efficiency. Use it to size a storage tank or estimate irrigation potential.
Fill in the required fields to see your result.
Key differences
| Household Water Usage Calculator | Rainwater Harvesting Calculator | |
|---|---|---|
| Category | Environment | Environment |
| Inputs required | 5 | 4 |
| Result | Weekly Water Usage (gallons) | Annual Water Savings ($) |
| What it does | Estimate your household's total weekly water consumption in gallons based on showers, dishwasher cycles, and laundry loads. Use it to spot wasteful habits, size a rainwater system, or benchmark against conservation targets. | Calculate how many gallons of rainwater your roof can collect each year based on area, local rainfall, and system efficiency. Use it to size a storage tank or estimate irrigation potential. |