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