Interactive calculator: activity data times emission factor equals CO2 equivalent.

The HCC+ formula

Activity data × emission factor = kgCO₂e. Change any value to see the result update.

Activity data (what you did)

Emission factor (kgCO₂e per unit)

Grid electricity example from the deck

= 49 kgCO₂e

0.049 tonnes CO₂e

Emission factors shown are teaching examples. Confirm exact values against the HCC+ v3 Emission_Factors tab (EcoAct/ICRC, April 2024) before using in a real inventory.