Basal Carbon Calculator Carbon Calculator Subregion Number (see map) 211Aa 211Ab 211Ba 211Bb 211Ca 211Cb 211Da 211Db 211Dc 211Ea 211Eb 211Ec 211Ed 211Ee Basal Area (closest to your BA for this stand) Acreage Result Percentile Subregion Number 211Aa 211Ab 211Ba Basal Area *Select the number closest to your BAPercentile compared to rest of region result: Percentile: If you are human, leave this field blank. Clear and Start Over