Use this useful tool to convert lumber volume choosing one of the 18 units of measurment included in this app (with the availability to add custom units), that are:
cubic meter, cubic inch, cubic foot, board feet, thousand board feet, cord, cord, cord (80 cubic ft), cord feet, cunit, pallet, cross tie, switch tie, thousand square feet (1/8-inch panels), thousand square feet (1/4-inch panels), thousand square feet (3/8-inch panels), thousand square feet (1/2-inch panels), thousand square feet (3/4-inch panels).
For every units of measurment are also included formulas to convert that unit as you want.