The result of your conversion between square decimeter and yard appears here
To convert between Square Decimeter and Yard you have to do the following:
First divide 0.01 / ((0.003785411784/231)*1728)*27 = 0.01307951
Then multiply the amount of Square Decimeter you want to convert to Yard, use the chart below to guide you.
Symbol: dm2
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Symbol: yd
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