Cruise vs Flight CO₂e Comparison Calculator

Compare estimated travel emissions for different transport modes using adjustable factors (educational tool).

Enter one-way distance (for round-trip, double it).
We convert miles to km.
Number of people traveling.
We calculate all modes and highlight the selected one.
Used only for “Car”.
Rounding for results.
Changes the kg CO₂e per passenger-km factors.
Detailed shows factors used.