The 10 x 5 ft. measurement is for the cone shaped piles in the photo. Look up the sq.ft. of a cone online to find the correct formula. The piles we were shown can be considered cone shaped and measured accordingly.[/QUOTE]I'm sorry but this entire post is wrong. A chord of wood is 128 CUBIC feet. 10 x 5 is 50 SQUARE feet. for a 10 x 5 pile to be a chord it wood have to be made up of logs that were 2.5 long. I realy dont know how some people are measuring their chords but I only see about 3-5 chord after being processed.
I, too, had a problem with it at first and then realized you were describing a conical pile (diameter x height) .
Harry K