Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Carbon Footprint
Home Energy Emissions Calculator
Estimate your household's annual CO₂ emissions from electricity, heating, and building size. Use it when auditing your carbon footprint or planning energy upgrades.
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
| Home Energy Emissions Calculator | Home Energy Carbon Calculator | |
|---|---|---|
| Category | Carbon Footprint | Carbon Footprint |
| Inputs required | 5 | 3 |
| Result | Annual Home Energy Emissions (lbs CO2) | Annual home energy CO2 emissions (kg CO2) |
| What it does | Estimate your household's annual CO₂ emissions from electricity, heating, and building size. Use it when auditing your carbon footprint or planning energy upgrades. | 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. |