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.
Fill in the required fields to see your result.
Carbon Footprint
Total Carbon Footprint Calculator
Sum your annual CO2 emissions across transport, home energy, food, and lifestyle categories into one total footprint figure. Use this as a dashboard view when comparing your impact to national or global averages.
Fill in the required fields to see your result.
Key differences
| Home Energy Carbon Calculator | Total Carbon Footprint Calculator | |
|---|---|---|
| Category | Carbon Footprint | Carbon Footprint |
| Inputs required | 3 | 4 |
| Result | Annual home energy CO2 emissions (kg CO2) | Total annual carbon footprint (kg 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. | Sum your annual CO2 emissions across transport, home energy, food, and lifestyle categories into one total footprint figure. Use this as a dashboard view when comparing your impact to national or global averages. |