Emission factor
Aluminium (primary) — 12.6 kg CO₂e / kg
The emission factor for Aluminium (primary) is 12.6 kg CO₂e per kg, based on UK DEFRA (2024).
Factor details
| Value | 12.6 kg CO₂e |
|---|---|
| Unit | kg |
| Region | Region-independent |
| Category | Materials |
| Typical scope | Typically Scope 3 (purchased goods and services). |
| Source | UK DEFRA, 2024 |
What this means
Material factors are cradle-to-gate estimates: the emissions from extracting and producing one kilogram of the material. They are used for purchased-goods (Scope 3) accounting.
Worked example
100 kg × 12.6 kg CO₂e = 1,260 kg CO₂e ≈ 1.26 t CO₂e.
Quick conversions
1 t = 12,600 kg CO₂e (12.6 t CO₂e)
Frequently asked questions
What is the emission factor for Aluminium (primary)?
The emission factor for Aluminium (primary) is 12.6 kg CO₂e per kg, according to UK DEFRA (2024).
How do I use an emission factor?
Multiply your activity data (in kg) by 12.6 to get emissions in kg CO₂e, then divide by 1,000 for tonnes.