Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Carbon Footprint
Car Emissions Calculator
Calculate the CO₂ emissions of any petrol or diesel car journey based on fuel efficiency, distance, and the number of passengers sharing the ride. Perfect for comparing routes or travel modes.
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 Emissions Calculator | Vehicle Emissions Calculator | |
|---|---|---|
| Category | Carbon Footprint | Carbon Footprint |
| Inputs required | 4 | 4 |
| Result | CO2 Emissions per Person (lbs CO2) | Annual CO2 Emissions (lbs CO2) |
| What it does | Calculate the CO₂ emissions of any petrol or diesel car journey based on fuel efficiency, distance, and the number of passengers sharing the ride. Perfect for comparing routes or travel modes. | 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. |