How many square meters is a post?

In Japan, a column is equal to 1.62 square meters.

A pillar in Japan is the size of a tatami. The traditional size tatami is 90 cm wide, 180 cm long and 5 cm thick, with an area of 1.62 m2.

Ping is an area unit derived from the traditional Japanese measurement system, which is mainly used to calculate the area of houses and construction land. Mainly used in Japan, Taiwan Province Province and Korean Peninsula. 1 ping is equal to one thirtieth of 1 mu per day, or 3.3057 square meters. 1 flat is 6 square feet *6 square feet, that is, the area of two tatami, 1 square feet is about 30.3 cm.