What are some useful environment footprint calculators?

Question

There seem to be many online carbon / ecological / emissions / environment footprint calculators. What are some useful ones?

Answer 1

Here are some calculators that can be used globally to calculate the environmental footprint of people, items, activities and even countries or the world!

Calculator Type	Inputs	Outputs	Organisation	Notes
Individual ecological footprint calculator	Food, housing, transportation	Number of Earths used & your personal Earth overshoot day	Global Footprint Network	Needs email address or Facebook account to use
Household carbon footprint calculator	Travel, home, food, goods, services	Used CO2/year & comparison with households in selected home country	CoolClimate Network	May take a few seconds to load
Food climate change calculator	Food item, consumption per week	Your consumption's annual greenhouse gas emissions and water & land use, and comparison with similar foods	BBC
Transport emissions calculator	Drive, walk, cycling, public transit	CO2 equivalent for transport route	Map My Emissions	Uses commercially available tools to find route
Flight emissions calculator	Flight details	CO2 for flight route	myclimate
Cruise emissions calculator	Cruise details	CO2 for cruise	myclimate
Event emissions calculator	Mobility, accommodation, catering, energy, material, transport, waste	CO2 for event	myclimate
Business emissions calculator	Energy, mobility, board, material, waste	Annual CO2 for company	myclimate
Vegan & vegetarian calculator	Years or months of being vegan or vegetarian	Number of animals, CO2, forest, grain, water saved	Vegan Calculator
Country environmental footprint calculator		Footprints of carbon, fossil energy, land & water of a nation (total/per capita/GDP) and comparison with other nations	Carbon Footprint of Nations
Global climate change calculator	Select or create a pathway	How the pathway affects global GHG emissions, CO2 emissions & mean temperature change in 2100	Click to view involved organisations	Model of the world's energy, land & food systems to 2050. See example use here

Answer 2

Here are some environmental footprint calculators aimed at youngsters.

This kids calculator by ParkCityGreen.org is aimed at ages 4-9. It covers lights, entertainment, electricity, getting to places, baths, brushing teeth, recycling & garbage. It gives scores between 0-10 and tips with each question.

This youth calculator by the Inquiry to Student Environmental Action (I2SEA) project is aimed at ages 10-22. It covers home, food, purchases & transportation. It gives the used CO2/year (total & in each category) and compares with the average of the selected home country. Shows the carbon footprint of each answer as you go along.