tsubo [ Japanese. 坪]

1

In Japan, ? – 20th¹ centuries , a unit of land area in urban areas, 400/121 square meters, approximately 3.3058 square meters. The tsubo is numerically equivalent to the bu, a unit used for agricultural land. There were much larger units for agricultural land, such as the cho, equal to 3,000 bu, but the tsubo was the largest land area unit for town lots.

In principle, the tsubo is the size of two tatami laid side by side, each 1 ken long and half a ken wide.

1. United Nations, 1966.

2

In Japan, a unit of volume, = 216 cubic shaku (尺), about 6.01 cubic meters.