Convert from tsubo to acre

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.

Unit Definition (acre)
The acre is a unit of area in a number of different systems, including the imperial and US customary systems. The most commonly used acres today are the international acre and, in the United States, the survey acre.