Calculating Board Feet of Lumber

    Hardwood lumber that we use for framing, fencing, cabinetry and
    furniture is sold by the board foot. This is a measurement that is
    constant through all thicknesses of lumber, rather than applying to
    "one-by", "two-by", etc.

    In the example piece of lumber below, the measurement "A" would
    be the thickness in inches , measurement "B" the width in inches ,
    and measurement "C" the length in feet .












    Thus, the formula for calculating the board feet of lumber in our
    example would be..................
    'A' times "B" times "C" divided by 12 or

    For example if the piece if lumber was
    3 inches thick (A)
    8 inches wide (B)
    10 feet long (C), we would have
    3 x 8 x 10 divided by 12 = 20 board feet.
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What is a Board
Foot of Lumber
For more information see our board foot calculator
See our board foot calculator