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HKHKG SAJED
Electronics

Hong Kong to Jeddah freight CO2 emissions

One tonne of cargo shipped Hong Kong (HKHKG) to Jeddah (SAJED) by sea emits 85.5 kg CO2e well-to-wake at GLEC v3.2 default factors. The same tonne by air emits 4,778.9 kg — roughly 56x the sea number.

Lane noteAsia to Red Sea gateway via Malacca and Bab-el-Mandeb — Jeddah Islamic Port is the largest Saudi container facility. Houthi attacks have pushed some carriers to call Jeddah only via Suez southbound after Med calls rather than direct from Asia.

Per-tonne CO2e by mode

Sea freight

Container ship 8,000+ TEU

85.5
kg CO2e
Distance
11,400 km
Factor (WTW)
7.5 g CO2e/tkm
Per shipment
1 t × 11,400 km
Factor source
GLEC v3.2 container 8,000-15,000 TEU (Post-Panamax, WTW)

Air freight

Long-haul belly cargo

4,778.9
kg CO2e
Distance
7,860 km
Factor (WTW)
608 g CO2e/tkm
Per shipment
1 t × 7,860 km
Factor source
GLEC v3.2 long-haul belly cargo allocation (WTW)

Mode comparison

On the Hong Kong to Jeddah lane, air freight emits about 56 times more CO2e per tonne than sea freight at GLEC v3.2 defaults. The gap is driven by the WTW factor difference between long-haul belly cargo (608 g CO2e/tkm) and a Container ship 8,000+ TEU (7.5 g CO2e/tkm), partly offset by the shorter great-circle air routing.

Try this in the calculator

These numbers are GLEC v3.2 defaults at 1 tonne. Change weight, vessel class, or load factor in the calculator and see the per-mode CO2e update under ISO 14083:2023 data quality tiers.

Methodology references

Need primary-data emissions for Hong Kong to Jeddah?

The EcoFreight API ingests AIS, bunker delivery notes, and shipment manifests to return ISO 14083 Tier 3 primary-data numbers for the same lane. Free tier covers 1,000 calculations per month.