Electricity CO₂
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Yearly CO₂1.37 t
Worked example
Given: Monthly use = 250 kWh; Grid factor (kg CO₂/kWh) = 0.458
Result: Yearly CO₂ = 1.37 t
How it is calculated
1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.
Frequently asked questions
How do I calculate it?
Given: Monthly use = 250 kWh; Grid factor (kg CO₂/kWh) = 0.458. Result: Yearly CO₂ = 1.37 t.
Is the calculator free and private?
Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.