Convert from township to tsubo

Unit Definition (township)
The township is a traditional unit of area in the U. S., equal to 36 sections or the area of a square 6 miles on a side (about 93.24 square kilometers). Like the section, this unit is used by the U.S. Public Land Survey System, which applies to most of the U.S. except for the original 13 states, Alaska, and Hawaii.

Unit Definition (tsubo)
The tsudo is an informal unit of area used in Japan to measure area inside buildings. One tsubo is an area of about 3.3 square meters (3.95 square yards), an area that can be covered neatly by two traditional tatami mats.