Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Carbon Footprint
Car Carbon Calculator
Estimate annual CO₂ emissions from a passenger car given your annual mileage, fuel type, and fuel efficiency. Returns kilograms of CO₂ per year.
Fill in the required fields to see your result.
Carbon Footprint
Car Carbon Emissions Calculator
Calculate the annual CO₂ emissions from your car based on how far you drive, your fuel type, and the mix of city versus highway driving. Useful for comparing vehicles or planning emission reductions.
Fill in the required fields to see your result.
Key differences
| Car Carbon Calculator | Car Carbon Emissions Calculator | |
|---|---|---|
| Category | Carbon Footprint | Carbon Footprint |
| Inputs required | 3 | 4 |
| Result | Annual car CO2 emissions (kg CO2) | Annual CO₂ Emissions (lbs CO₂) |
| What it does | Estimate annual CO₂ emissions from a passenger car given your annual mileage, fuel type, and fuel efficiency. Returns kilograms of CO₂ per year. | Calculate the annual CO₂ emissions from your car based on how far you drive, your fuel type, and the mix of city versus highway driving. Useful for comparing vehicles or planning emission reductions. |