A measurement in a straight line. Linear footage measures just one dimension.
This is the unit of measurement to use when buying or selling wood that’s cut to standard or uniform dimensions.
A measurement of area. Square footage measures two dimensions.
This is the unit of measurement to use when buying or selling lumber that’s less than 1″ thick.
This is the unit of measurement to use when buying or selling lumber that’s random in width and length. Since boards are various in size, board footage is the fair way to determine the amount of wood in variable sizes.
NOTE: When figuring board footage of a board, here’s how you measure: