In China, 1959 – present, a unit of area in the gon zhí simplified metric system, a unit of area, used only in agricultrual areas, = 1 square meter.¹ link to a chart showing relationships between Chinese units of land area in the gon zhi system.

Gong may be translated “official” or “public,” in this context "metric".

Other expressions for square meter may be more common: píngfāng 平方, píngfāngmi 平方米, píngmi 平米

1. United Nations, 1966.

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