Large hay bales (generally round): Measure 5 feet wide by 6 feet in diameter (1.5 × 1.8 meters) while weighing around 1,500 pounds (680 kilograms). How many small square bales per acre?

Total cost of a bale of hay including land, custom rates and nutrient uptake is about $51 per bale for a 1,400-pound bale with a 1.1 tons per-acre yield. “Hay prices in the summer are $35 to $55 ...

For example, a 5-foot by 5-foot bale has 98 cubic feet of hay: (5/2)^2 x 3.14 x 5 = ~98. Loosely packed bales have a density of 9 pounds per cubic foot of hay, which equates to 880 pounds of dry feed.

The bales were heavy and bulky. To muscle them into place, you pick them up by grabbing onto the twine that binds them together. Margot Brooks has done this for many years and makes it look easy.