1 acre = 43,560 square feet.
http://wiki.answers.com/Q/How_many_square_feet_is_...

1. Know how many square feet are in one acre. There are 43,560 square feet in one acre. 2. Find the exact amount of acres that you want to convert. It is important to know the exact
http://www.ehow.com/how_5537960_calculateacressq...

There are 43560 square feet in 1 acre. There are 0.001563 square miles in 1 acre
http://www.chacha.com/question/whatisthesquare...
