Per Cubic Foot Board Foot 12 x 12 x 1 2.33 Pounds (12% Moisture Content) Cubic Foot 12 x 12 x 12 28 Pounds (12% Moisture Content) Southern Yellow Pine Home Depot will also deliver lumber to your home, by the way. The approximate weights of the actual pieces of lumber for sale are often given in the product descriptions, so this can be a pretty good resource for calculating lumber weights. You can see dimensional lumber at the Home Depot. When precision is necessary, always refer to the specification sheet for the actual, specific product you intend to use, or contact the technical department of the producer. The values given in the table are meant to provide a general idea of typical lumber weights, and should not be used if precise values are needed for critical engineering calculations. The table provides the air-dried weight of lumber produced from three commonly used tree species: Sitka Spruce, Douglas Fir, and Southern Yellow Pine. The following table provides the approximate weight ( dead load, self-weight) per linear foot of the various sizes of dimensional lumber (also called “structural lumber” or “finished lumber”) used in building construction in the US.