1 acre contains 43,560 square feet. so 16.2 acres = 705,672 square feet. If your plot has square corners (90 degree corners) then 705, 672 divided 2,640 = 267.3 feet. To verify, one side of a square is 2,640 feet X 267.3 = 705,672 square feet. If your plot isn't square, you're not providing ...