Choose a Calculator

The listed online carbon calculators are available for free usage and are offered as suggestions.  Feel free to use other calculators that you might like.

Younger Students/Lower Elementary
EPA offers a great tool for the younger students.

Upper Elementary/Middle School
This calculates a per student footprint. Add scores together for final score.

Middle School/High School
Good for older students.Downloadable EXCEL sheet allows for easy calculations.

Good sites for background information or alternative footprint calculations: