The result of your conversion between yard and square city block [East U.S.] appears here
To convert between Yard and Square City Block [East U.S.] you have to do the following:
First divide ((0.003785411784/231)*1728)*27 / 6474.97027584 = 0.00011808
Then multiply the amount of Yard you want to convert to Square City Block [East U.S.], use the chart below to guide you.
Symbol: yd
No description
Symbol: sq block
No description