Measure or Discover the Logs Length. The log board feet calculator utilizes log rules calculations. Math Instructor City College of San Francisco Expert Interview.
Alternatively use the equation Diameter-44 2 x Length where the units are those you measured it.
The answer is an estimate of the board feet in a log. Measure the diameter of the shorter end of the log not including bark in inches. Circle area to diameter. Measure or Discover the Logs Length.