Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Water Usage
Hot Water Heater Sizing Calculator
Find the right storage water heater capacity (in gallons) for your home based on bedrooms, bathrooms, occupants, and usage habits. Use it before buying a new water heater or when upgrading an undersized unit.
Fill in the required fields to see your result.
Water Usage
Personal Water Footprint Calculator
Estimates total daily water consumption by combining direct household use, dietary choices, clothing purchases, car washes, and beverages. Useful for individuals wanting to understand their full environmental water impact.
Fill in the required fields to see your result.
Key differences
| Hot Water Heater Sizing Calculator | Personal Water Footprint Calculator | |
|---|---|---|
| Category | Water Usage | Water Usage |
| Inputs required | 5 | 5 |
| Result | Recommended Tank Size (gallons) | Daily Water Footprint (gallons) |
| What it does | Find the right storage water heater capacity (in gallons) for your home based on bedrooms, bathrooms, occupants, and usage habits. Use it before buying a new water heater or when upgrading an undersized unit. | Estimates total daily water consumption by combining direct household use, dietary choices, clothing purchases, car washes, and beverages. Useful for individuals wanting to understand their full environmental water impact. |