CO₂ Emissions Estimator (NZ)
Litres of fuel used per 100 km
Fuel economy is how many litres of fuel your car uses to travel 100 km.
How to find it:
- Check your car’s dashboard – most modern cars show average fuel use.
- Look in your car’s manual or manufacturer’s website.
- Calculate manually:
Fill tank → drive → refill → record litres + distance.
Formula: (Litres ÷ Distance) × 100.
About the CO₂ Emissions Estimator NZ
This free CO₂ Emissions Calculator NZ helps drivers understand the environmental impact of their journeys. By entering your trip distance, car fuel economy, and fuel type (petrol or diesel), the tool instantly calculates the litres of fuel used and the kilograms of CO₂ released into the atmosphere. It’s a quick way to measure your carbon footprint while driving in New Zealand.
How It Works
The calculator uses official emission factors published for New Zealand vehicles:
- Petrol: 2.31 kg CO₂ per litre
- Diesel: 2.68 kg CO₂ per litre
Example Trip Emissions
- Auckland → Wellington (~650 km, 8L/100km, petrol car) ≈ 120 kg CO₂
- Christchurch → Queenstown (~480 km, 7L/100km, petrol car) ≈ 78 kg CO₂
- Daily 20 km commute, 5 days a week ≈ 18 kg CO₂ per week
Why Calculate Vehicle CO₂ Emissions?
Understanding your vehicle’s emissions can help you:
- Budget for offsetting carbon emissions on long trips
- Compare petrol vs diesel vs hybrid cars
- Make informed decisions about reducing your carbon footprint