Purdue FNR Extension

Biomass Calculator

  • Fixed Plot Factor        Basal Area Factor
  • 12 ft.       16 ft.
  • * Denotes Required Field
  • * Site Quality:
       High – deep, moist, productive soils and site conditions.
       Low – shallow or droughty soils or other conditions that restrict growth.
       Average – typical forest soil and site conditions

  • * For existing inventories - If you have a previously developed timber inventory and if you have access to the individual tree data collected during the inventory, these data could be entered in the biomass calculator to obtain biomass estimates for your property. The forester who conducted your inventory may have a copy of your raw field data.