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
Vehicle Emissions Calculator
Calculate your car's annual CO₂ output using driving distance, fuel efficiency, fuel type, and the share of city versus highway driving. Use it to compare vehicles or assess your personal transport footprint.
Fill in the required fields to see your result.
Key differences
| Car Carbon Calculator | Vehicle 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 your car's annual CO₂ output using driving distance, fuel efficiency, fuel type, and the share of city versus highway driving. Use it to compare vehicles or assess your personal transport footprint. |