In Vietnam, ? – 20th century, three units:

1) a unit of capacity for cereals, = 20 liters. chart symbol

2) a unit of length, approximately 40 centimeters.  link to a chart showing relationships between Vietnamese units of length.

3) a unit of area, approximately 24 square meters. 

In central Vietnam, 20th century, a unit of length, the thước may is approximately 62.5 centimeters and the thước moc, approximately 40 centimeters.

All: United Nations, 1966.

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