生态与环境
即时、私密且免费
Flight Emissions Calculator.
Estimate per-passenger flight emissions from explicit fuel burn, fuel factor, distance, and forcing multiplier.
输入数值
输入时结果会更新。
Results update automatically as you type.
使用方法
Scenario arithmetic only: every lifecycle or resource factor is entered explicitly; no regional defaults are used.
Use Cases
Estimate your personal flight carbon footprint
Input your flight distance, typical aircraft fuel burn, and number of passengers to get a per-passenger emissions estimate for a single trip.
Example: A 5000 km flight with 3 L/100 km fuel burn, 3.15 kg CO₂e/L, 200 passengers, and a 2× multiplier gives about 472.5 kg CO₂e per passenger.
Compare emissions across different flight scenarios
Adjust fuel burn, passenger load, or radiative forcing to see how these factors change per-passenger emissions for the same route.
Example: Increase passengers from 200 to 300 on the same flight reduces per-passenger emissions by about 33%.
Frequently Asked Questions
- How does the Flight Emissions Calculator estimate per-passenger emissions?
- It multiplies the flight distance by the fuel burn rate (L/100 km) to get total fuel used, then multiplies by the fuel emissions factor (kg CO₂e/L) to get total emissions. This total is divided by the number of passengers sharing the fuel, and finally multiplied by the radiative-forcing multiplier to account for non-CO₂ effects.
- What is the radiative-forcing multiplier?
- It's a factor that accounts for the additional climate impact of aviation beyond CO₂ alone, such as contrails and nitrogen oxides. A typical value is around 2, meaning the total climate impact is roughly double the CO₂ emissions. You can adjust it based on your source.
- What units should I use for the inputs?
- Enter flight distance in kilometers (km), fuel burn in liters per 100 kilometers (L/100 km), fuel emissions factor in kilograms of CO₂ equivalent per liter (kg CO₂e/L), passengers as a number of people, and the radiative-forcing multiplier as a dimensionless factor (e.g., 1, 2, 3).
Tips & Common Mistakes
Tips
- Use realistic fuel burn values: typical short-haul jets burn around 3-5 L/100 km per seat, but actual values vary by aircraft and load.
- For a conservative estimate, use a radiative-forcing multiplier of 2, as recommended by many climate studies.
- Remember that this calculator gives an estimate; actual emissions depend on many factors like altitude, weather, and aircraft efficiency.
- If you don't know the exact fuel emissions factor, use a common value like 3.15 kg CO₂e/L for jet fuel.
Common Mistakes to Avoid
- Forgetting to convert fuel burn from L/100 km to L/km: the calculator expects L/100 km, so do not divide by 100 manually.
- Using total flight emissions instead of per-passenger: the calculator divides by the number of passengers, so enter the total passengers sharing the fuel.
- Ignoring the radiative-forcing multiplier: leaving it at 1 underestimates the climate impact; use a value like 2 for a more accurate estimate.
Last updated: August 13, 2026