Trees planted 4feet by 14feet equals how many trees per acre?

1 acre = 43,560 square feet. If you have 1ft x 1ft space you can fit 43,560 trees in one acre. In this case you have an area of 4 ft by 14 ft, when multiplied together you get the area, which means you have 56 square feet allocated per tree. So take the space 43,560 divide by space required 56 and it gives you 777.86. 43,560 / 56 = 777.86, the answer is you can fit 777 trees per acre.