The result of your conversion between yard and carreau appears here
To convert between Yard and Carreau you have to do the following:
First divide ((0.003785411784/231)*1728)*27 / 12900 = 0.00005927
Then multiply the amount of Yard you want to convert to Carreau, use the chart below to guide you.
Symbol: yd
No description
Symbol: carreau
No description