Greenhouse Gas Equivalencies Calculator
Other Calculators
There are a number of other web-based calculators that can estimate greenhouse gas emission reductions for
For basic information and details on greenhouse gas emissions, visit the Emissions section of EPA’s climate change site.
Did you ever wonder what reducing carbon dioxide (CO2) emissions by 1 million metric tons means in everyday terms? The following equivalency calculator can help you understand just that.
For example, it can be difficult to visualize what a "metric ton of carbon dioxide" really is. This calculator will translate rather difficult to understand statements into more commonplace terms, such as "is equivalent to avoiding the carbon dioxide emissions of X number of cars annually."
This equivalency calculator may be useful in communicating your greenhouse gas reduction strategy, reduction targets, or other initiatives aimed at reducing GHG emissions.
Enter Your Data Below
There are two options for entering data into this calculator.
Option 1:
- If you are starting with data in units of "gallons of gasoline consumed," "kilowatt-hours of electricity," "therms of natural gas," or "passenger vehicles per year", use this option.
- Enter a quantity and pick the desired unit below; and
- Click on the "Calculate Equivalent**" button to convert your value to Carbon Dioxide Equivalent.
Option 2:
If you have already estimated the quantity of avoided emissions reductions (e.g., metric tons of carbon dioxide equivalent), you can input the amount of avoided emissions and select the appropriate units for the corresponding greenhouse gas type.