How many square bales in one acre?

Typical square bale will weigh between 60 to 120 pounds depending on moisture content and density of material in the bale. Yields of hay very greatly from .05 to 6 ton per acre. Given an average weight of 80 lbs. per bale and average yield of 2.0 ton per acre, one could expect to yield 20-25 square bales per acre.