Ping was originally the name of Japan's area unit, and one ping is equal to one thirtieth of a day's acre, or 3.3057 square meters. /kloc-After the Japanese occupied the Korean Peninsula and Taiwan Province at the end of 0/9th century, Ping was also used in these places, and it is still in use today.

The exact conversion of flat and square meters is as follows:

1 ping =6 day feet× 6 day feet = (6×10/33 )× (6×10/33) square = 3.3057851239669421442.

Conversion of other units of square meters

1㎡( 1 m2) = 100dm? (100 square decimeter) = 10000cm? (10000 cm2) = 1000000mm? (1000000 mm2) =0.000 1 hectare =0.00000 1km? (0.00000 1 km2) =0.0 1 acre =0.000247 1054 acre =0.000000386 1 square mile =10.7639/kloc.