Flight CO2 Emissions Calculator

The carbon footprint is calculated as flight distance multiplied by the emission factor for the chosen class: economy 0.133 kg CO2/km, business 0.319 kg CO2/km, first 0.532 kg CO2/km.

Business class seats take up more space on the plane, so each passenger is allocated a larger share of the fuel burned, resulting in higher CO2 emissions per person.

One tree absorbs approximately 22 kg of CO2 per year. The calculator divides total emissions by 22 and rounds up to the nearest whole number.

No — the calculator only covers direct CO2 emissions. The full climate impact of aviation is higher due to the Radiative Forcing Index (RFI).

Choose economy class, direct flights and modern aircraft. You can also voluntarily offset your emissions by purchasing certified carbon credits.

Yes, proportionally — take-off and landing phases consume a lot of fuel. The calculator uses an averaged factor for all distances.

The calculator supports 1 to 10 passengers travelling in the same class.

Results are approximate. Actual emissions depend on aircraft type, load factor and route. The calculator uses standard factors applied by climate organisations.

Carbon offsetting means funding projects that absorb or reduce greenhouse gas emissions — such as tree planting or renewable energy — to neutralise your carbon footprint.

You can check the distance on your airline's website, Google Maps or dedicated aviation services. Enter the result in km into the calculator.