Other calculators


Resurgence
www.resurgence.org/carboncalculator/

A very detailed carbon calculator. You'll need 1 year of fuel bills to complete the questions and it is a time consuming process. However, the accuracy of this calculator means you'll be able to see the effect of even small lifestyle changes. Your indirect share is estimated based on your annual income

Choose Climate
www.chooseclimate.org

This calculator is specifically for estimating the CO2 resulting from your flights. Use the map of the globe to pick your start and finish point and the website calculates the emissions.

Defi Pour La Terre
www.defipourlaterre.org

If your French is up to scratch try this very slick, well designed calculator. Comprehensive questioning is matched with entertaining design and animation. The calculator estimates your indirect emissions based on your direct emissions, rather than your income. The rest of the site also includes stacks of useful advice about reducing your emissions.

BP
BP Carbon Calculator

The BP calculator does not include any indirect emissions or infrastructure share. The calculator also under-reads on flights, attributing only 0.15 tonnes to a return short-haul flight. This means your result from BP calculator will be substantially less than the results from other calculators.