Change one-half of an acre to square inches

One half of an acre is 3,136,320 square inches.

Your first step could be to look up how many square feet there are in 1 acre. Use that as your first conversion factor, to change "1/2 acre" to "square feet."

Next, find and apply the conversion factor connecting square feet with square inches.

Google this: 1 acre = > ft^2