Grosenbaugh's adaption of Clark's International 1/8-inch and 1/4-inch Log Rules.
Calculate the amount of board feet in a log using the International Log Rule with results for 1/8-inch Kerf and 1/4-inch Kerf.
The first result listed is what the calculator is intended to calculate. Board feet results are rounded to the nearest 5 .
Board Foot * 0.0833333 = Cubic Foot
Board Foot * 0.00235974 = Cubic Meter