The result of your conversion between tatami [Japan] and carreau appears here
To convert between Tatami [Japan] and Carreau you have to do the following:
First divide 1.62 / 12900 = 0.00012558
Then multiply the amount of Tatami [Japan] you want to convert to Carreau, use the chart below to guide you.
Symbol: tatami
No description
Symbol: carreau
No description