Internationally, the size of hay bales varies. Per Measuring Know-How, the most common hay bale dimensions (average) are: Small hay bales: Start at 18 × 35 × 14 inches (46 × 89 × 36 ...

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.

Although the size varies, the weight of standard hay bales typically ranges from 450 to 1,700 pounds, according to the University of Georgia Cooperative Extension. Troopers did not specify the ...