Sometimes, in order to decrease the amount of energy you consume, it’s important to know just how much you and your family use. Energy or Carbon Footprint calculators can help you determine how much energy you consume on a regular basis. With most carbon calculators you can calculate how much energy you consume overall, or have it broken down by transportation, home, personal emissions, and more.
Many Web sites offer carbon calculators. Here are some of the most useful ones:
EPA Personal Emissions Calculator