I have two responses for you.
To convert from i inches to y yards, you multiply by the conversion factor 1/36:
i x (1/36) = y
So to convert from I square inches to Y square yards, you multiply by
the square of the conversion factor:
I x (1/36)2 = Y
or in other words, you divide by 36 twice.
Hope this helps,
Stephen La Rocque.