Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Water Usage
Shower Water Usage Calculator
Estimate the monthly water consumed by showering based on shower length, showerhead flow rate, and how often you shower. A simple way to size the savings from a low-flow showerhead or shorter showers.
Fill in the required fields to see your result.
Water Usage
Hot Water Energy Cost Calculator
Estimates your monthly water heating bill based on daily hot water use, temperature rise, energy source, and heater efficiency. Useful when comparing electric vs. gas heaters or auditing home energy costs.
Fill in the required fields to see your result.
Key differences
| Shower Water Usage Calculator | Hot Water Energy Cost Calculator | |
|---|---|---|
| Category | Water Usage | Water Usage |
| Inputs required | 3 | 5 |
| Result | Monthly Water Usage (liters) | Monthly Heating Cost ($) |
| What it does | Estimate the monthly water consumed by showering based on shower length, showerhead flow rate, and how often you shower. A simple way to size the savings from a low-flow showerhead or shorter showers. | Estimates your monthly water heating bill based on daily hot water use, temperature rise, energy source, and heater efficiency. Useful when comparing electric vs. gas heaters or auditing home energy costs. |