The result of your conversion between rai and tatami [Japan] appears here
To convert between Rai and Tatami [Japan] you have to do the following:
First divide 1600 / 1.62 = 987.65432099
Then multiply the amount of Rai you want to convert to Tatami [Japan], use the chart below to guide you.
Symbol: rai
No description
Symbol: tatami
No description