The result of your conversion between yard and square kilometer appears here
To convert between Yard and Square Kilometer you have to do the following:
First divide ((0.003785411784/231)*1728)*27 / 1000000 = 0.00000076
Then multiply the amount of Yard you want to convert to Square Kilometer, use the chart below to guide you.
Symbol: yd
No description
Symbol: km2
No description