Enter your details
kg CO₂e/passenger-km
factor
Calculation method
CO₂e = passenger distance × emission factor × selected multiplier.
Your result
Estimated flight CO₂e
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Passenger distance
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Tonnes CO₂e
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Base factor
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Multiplier
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Air-travel methodology varies: factors may cover CO₂ only or CO₂e and may apply additional non-CO₂ effects. Set the multiplier according to your chosen methodology.
How to use this calculator
What to enter
Enter or select the following as requested: Passenger emission factor; Radiative forcing / multiplier. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The environmental or resource result is an estimate based on the activity quantities and factors entered or built into the tool. Emission factors, regional energy mixes, and local conditions can change the result; check the assumptions and reporting period.
When to use it
Use this to estimate resource use or compare scenarios. For formal reporting, use current region- and method-specific factors and document the assumptions.