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Carbon Calculator


Carbon dioxide is an important greenhouse gas. It is released when fossil fuels are burnt.

Use the calculator below to find out the amount of carbon dioxide you are responsible for putting into the atmosphere each year.

Busy road

Traffic causes carbon dioxide emissions.

 Enter details on the activity or energy used

Equivalent amounts of carbon dioxide

kWh mains electricity per year you use
Single person - 3,000
Couple - 4,000
Average family - 5,500


kgCO2 per year

kWh natural gas per year you use
Low (no central heating) - 10,000
Medium (central heating) - 19,000
High (large house) - 28,000


kgCO2 per year

miles per week you travel by car (petrol)


kgCO2 per year

miles per week you travel on train or bus


kgCO2 per year

miles per year you travel in an aeroplane


kgCO2 per year

Your total emissions of carbon dioxide are

kg per year

(1,000kg = 1 tonne)



Click here to compare your carbon dioxide emissions with people in other countries.

Wealthy countries tend to produce more carbon dioxide than the poorer ones.
How could you reduce the amount of carbon dioxide that you are responsible for?



This carbon calculator has been adapted from a version on the National Energy Foundation web site.