# International 1/8-inch Kerf Log Rule Calculator

Calculate the amount of board feet in a log using the the International 1/8-inch Log Rule.

The International 1/8-inch Log Rule was developed by Judson F. Clark in 1906 while working for the Province of Ontario.

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