A unit used in the forest products industry to measure bulk products such as wood chips. One bone-dry unit is a volume of wood chips (or whatever) that would weigh 2400 pounds (1.0886 metric ton) if all the moisture content were removed. The bone-dry ton (bdt) is similar but based on a weight of 2000 pounds (0.9072 metric ton). The bone-dry metric ton (bdmt) is based on a weight of one tonne (2204.623 pounds)