Pennsylvania teachers heading out of state to find jobs. Hunting for a position as a first-grade teacher in Pennsylvania became a full-time job for Williams Township native Sarah Widmer. After Widmer graduated from Shippensburg University in 2012, she immediately began her job hunt, applying to every school district in Pennsylvania; all 500 of them.
By Definition. A single board foot of lumber measures 1 inch thick, 12 inches wide and 12 inches long. The formula for calculating board feet is first to multiply thickness by width by length -- in inches. Then divide the total by 144 for the total board footage of a given board.
Lumber sized according to Quarters reflects the number of quarters of an inch thick the lumber is. To figure the thickness of a board referenced in quarters sizes, simply divide the second number (4) into the first number. The second number (4) means quarters of an inch, or quarters.oard Foot: Rough sawn lumber is usually sold by the board foot (bd. ft.). A board foot is equal to a piece of wood 12 inches long x 12 inches wide and 1 inch thick, or 144 cubic inches.