How many pounds of miracle-gro lawn feed do you need for 4 acres?

1 acre = 43560 square feet.

4 acres = 174240 square feet

According to the label, it's 5 pounds (1 box) per 4000 square feet.

174240 / 4000 = 43.56 boxes

43.56 x 5 = 217.8 pounds.