Air Freight Emissions Calculator
CO₂e per shipment and per year from tonnes × km × mode factor (Air freight).
Air freight runs ~600 g/tonne-km — 50× sea. It exists for value density and speed; this calculator prices the carbon so the 'must it fly?' question gets asked with numbers.
Freight emissions = tonnes × km × mode factor (GLEC/DEFRA-style averages). Mode shift is the big lever — road-to-rail cuts ~80%, air-to-sea ~98%. For Scope 3 category 4 reporting, weight-distance is the standard method when carrier fuel data isn't available.
Screening-level estimate using published average emission factors. Audited disclosures (BRSR, GRI, CDP) require primary activity data and verified factors — confirm with your sustainability auditor.
Use the free Air Freight Emissions Calculator online — CO₂e per shipment and per year from tonnes × km × mode factor (Air freight). Runs instantly in your browser: no signup, no upload, mobile-friendly.
About Air Freight Emissions Calculator
Air freight runs ~600 g/tonne-km — 50× sea. It exists for value density and speed; this calculator prices the carbon so the 'must it fly?' question gets asked with numbers.
How to use Air Freight Emissions Calculator
- 1Pick the transport mode and enter shipment weight and distance.
- 2Set your annual shipment count.
- 3Read per-shipment kg and annual tonnes, with mode alternatives compared.
Why use Air Freight Emissions Calculator?
- ✓GLEC-style tonne-km method — the Scope 3 category 4 standard
- ✓Mode factors spanning 50×: see exactly what mode shift buys
- ✓Per-shipment and annualized outputs
- ✓Rail/sea alternatives quantified inline
Frequently asked questions
How are freight emissions calculated?+
Weight × distance × mode factor: road trucking ~105 g/tonne-km, rail ~22, sea container ~12, air ~600. A 10-tonne, 800 km road shipment ≈ 840 kg CO₂e. It's the GLEC/GHG-Protocol default method when carrier fuel data isn't available — and the math behind every shipper scorecard.
How much does shifting road freight to rail save?+
~80% per tonne-km (105→22 g). India's dedicated freight corridors and electrified rail push it further. The calculator's rail row shows your lane's exact saving — for many shippers it's the single largest Scope 3 reduction available at negative cost.
Why is air freight so carbon-intensive?+
Physics: keeping cargo aloft burns ~50× the energy per tonne-km of floating it. Air freight exists for speed and value density — the right response isn't guilt but triage: which shipments genuinely need wings? The 50× number makes that review concrete.
Do customers actually ask for per-shipment emissions?+
Increasingly by default: large shippers cascade Scope 3 reporting into logistics tenders, and 'CO₂e per shipment' fields are appearing in RFQs. Computing it per lane (this tool) positions you ahead of the questionnaire — and surfaces the cheap wins first.
Embed Air Freight Emissions Calculator on your website
Want Air Freight Emissions Calculatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
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