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Flight Emissions Calculator

CO₂ per passenger from flight distance and class.

Estimate the CO₂ equivalent emissions per passenger from a flight, given the great-circle distance and seating class. Uses ICAO-style typical factors of about 0.10–0.30 kg CO₂e per passenger-kilometre depending on class.

Marcus Laurent By Marcus Laurent
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

km

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

kg CO₂e = distance_km · class_factor (0.10 economy, 0.16 premium, 0.30 business, 0.45 first).

In depth

Estimate the CO₂ equivalent emissions per passenger from a flight, given the great-circle distance and seating class. Uses ICAO-style typical factors of about 0.10–0.30 kg CO₂e per passenger-kilometre depending on class.