also: たてつぼ
cubic tsubo
A unit of volume equal to one tsubo (approx. 3.3 m²) in area times one ken (approx. 1.8 m) in height, roughly 6 cubic meters. Used in traditional Japanese construction and earthwork measurements.
In this construction work, we calculate the soil in cubic tsubo.
In old architecture, the cubic tsubo was often used.
Standard kanji spelling for the reading りゅうつぼ.
The kanji 立坪 can also be read たてつぼ.
Alternate spelling using 立て; reading たてつぼ is not restricted to this form.
Compound of 立 (standing, cubic) and 坪 (tsubo, a traditional area unit). The reading りゅうつぼ uses the on'yomi りゅう for 立, while たてつぼ uses the kun'yomi たて.