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 emissions in pounds based on miles driven and vehicle type. Use it to compare the environmental cost of upgrading to a more fuel-efficient car or changing driving habits.
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 | 2 |
| 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 emissions in pounds based on miles driven and vehicle type. Use it to compare the environmental cost of upgrading to a more fuel-efficient car or changing driving habits. |