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Flight Carbon Estimate

Rough CO₂ per passenger from distance and an adjustable fuel-per-seat assumption.

Calculations run locally in your browser; nothing is sent to a server.

Formula and method

CO₂ = distance × (1 + routing uplift) × fuel per seat-km ÷ load factor × 3.16 kg CO₂/kg fuel.

Assumptions

Defaults (25 g fuel per seat-km, 80 % load factor) are illustrative values you can change, not official figures. The result excludes non-CO₂ effects, cabin class and cargo allocation, and is not equivalent to the ICAO Carbon Emissions Calculator.

Worked example

1,000 km × 25 g ÷ 0.80 × 3.16 ≈ 99 kg CO₂.