About gram CO2e

1 gram CO2e = 0.000001 tonne CO2e

About tonne CO2e

1 t CO2e = 1000 kg CO2e

More Carbon Emissions conversions

Assumption: electricity-to-CO2 uses 0.385 kg CO2e per kWh (≈2597 Wh per kg CO2e). Actual factors vary by country, grid mix, and year.