Gas Equivalencies Calculator

Please note that these estimates are approximate and should not be used for emission inventory or formal carbon footprinting exercises. Read more about the caveats and explanations on the Calculations and References page.

Amount	Unit	Gas
	Tons Pounds Metric Tons Kilograms	CO2 - Carbon Dioxide or CO2 Equivalent*
	Tons Pounds Metric Tons Kilograms	Carbon or Carbon Equivalent
	Tons Pounds Metric Tons Kilograms	CH4 - Methane
	Tons Pounds Metric Tons Kilograms	N2O - Nitrous Oxide
	Tons Pounds Metric Tons Kilograms	HFC-23 HFC-32 HFC-125 HFC-134a HFC-143a HFC-152a HFC-227ea HFC-236fa HFC-4310mee R-404A R-407A R-407C R-410A R-507A - Hydrofluorocarbon gases
	Tons Pounds Metric Tons Kilograms	CF4 C2F6 C4F10 C6F14 - Perfluorocarbon gases
	Tons Pounds Metric Tons Kilograms	SF6 - Sulfur Hexafluoride

*If your estimated emissions of methane, nitrous oxide, or other non-CO₂ gases are already expressed in CO₂ equivalent or carbon equivalent, please enter your figures in the row for CO₂ or carbon equivalent.

---

Equivalency Results

The sum of the greenhouse gas emissions you entered above is Tons Pounds Metric Tons Kilograms of Carbon Dioxide Equivalent. This is equivalent to:

Energy produced by