The carbon footprint calculator converts each of these energy travel and waste sources from their original unit of measure for example kwh or miles to tons co 2 per year by applying emission conversion factors. You can enter details for up to 2 cars. For an explanation of the calculator s assumptions and sources see the assumptions and references page.
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Everyone s carbon footprint is different depending on their location habits and personal choices. The calculator estimates your footprint in three areas. Add our co 2 calculation tools. Use the world s most popular online carbon footprint calculator and it s free.
