Electricity Carbon Calculator
Calculate the CO₂ emissions from your electricity usage.
Calculate
Enter your values below.
Result
CO₂ emissions
0
Formula used
CO₂ emissions = Electricity used × Grid emission factor
Example: 500 kWh at a 0.4 kg CO₂/kWh grid factor → 200 kg CO₂.
How to use this calculator
- Enter Electricity used (kWh), Grid emission factor (kg CO₂ per kWh).
- Press Calculate to see your result instantly.
FAQ
Frequently asked questions
Where do I find my grid's emission factor?
National or regional energy agencies typically publish average grid emission factors specific to your area's energy mix.
Why does this factor vary so much?
Grids relying heavily on coal have much higher emission factors than those using more hydro, nuclear, wind, or solar.
Where can I find my kWh usage?
Your electricity bill typically states your usage for the billing period.
Does using solar panels reduce this?
Yes — self-generated solar power reduces the amount of grid electricity you draw, lowering this figure.