Welcome to our Carbon Calculator

How to use the CO2 calculator:

Our carbon calculator has a number of options and the buttons on the right hand side are self expanatory.

Use the Business Calculator to estimate the carbon footprint of your business by inputing data for; electricity consumed, natural gas consumed, motor vehicle travel (type and distance travelled) and air travel (type and distance travelled) all on an annual basis.

Use the Easy Calculator to quickly determine your carbon footprint or that of your family based on limited generalised categories.

The Comprehensive Calculator consists of: Motor Vehicle Calculator, Home Calculator, Annual Air Travel Calculator and Public Transport Calculator. These calculators can be used either individually, or as part of a group.

Use the Motor Vehicle Calculator to estimate your carbon footprint (individual or family) from driving. The option is provided to add the contribution to your total profile and print the results.

Use the Home Calculator to estimate your carbon footprint (individual or family) from your home. The option is provided to add the contribution to your total profile and print the results.

Use the Annual Air Travel Calculator to estimate your carbon footprint (individual or family) from your air travel. The option is provided to add the contribution to your total profile and print the results.

Use the Public Transport Calculator to estimate your carbon footprint (individual or family) from your use of public transport. The option is provided to add the contribution to your total profile and print the results.

Use the Specific Flight Calculator to estimate your carbon footprint for individual air trips.

Sources of data for the calculations:
DEFRA, "Act on CO2 Calculator: Public Trial Version Data, Methodology and Assumptions Paper", June 2007
Please note that a value of 1.9 has been applied as the radiative forcing index for air travel.