Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Carbon Footprint
Water Usage Carbon Calculator
Estimate the annual CO2 emissions tied to your household water use, including the energy cost of heating hot water. Useful when assessing home energy efficiency or planning water conservation measures.
Fill in the required fields to see your result.
Carbon Footprint
Home Energy Carbon Calculator
Estimate annual CO₂ emissions from your home's electricity and natural gas use, given your monthly consumption and the carbon intensity of your electricity grid. Returns kilograms of CO₂ per year.
Fill in the required fields to see your result.
Key differences
| Water Usage Carbon Calculator | Home Energy Carbon Calculator | |
|---|---|---|
| Category | Carbon Footprint | Carbon Footprint |
| Inputs required | 3 | 3 |
| Result | Annual water CO2 emissions (kg CO2) | Annual home energy CO2 emissions (kg CO2) |
| What it does | Estimate the annual CO2 emissions tied to your household water use, including the energy cost of heating hot water. Useful when assessing home energy efficiency or planning water conservation measures. | Estimate annual CO₂ emissions from your home's electricity and natural gas use, given your monthly consumption and the carbon intensity of your electricity grid. Returns kilograms of CO₂ per year. |