Several units of measurements were used in Puerto Rico. Metric system has been compulsory since 1860 in Puerto Rico.
Contents
System before metric system
Several units were used before metric adoption. These units were older Spanish units.
Area: Cuerda
Several units were used to measure area. One cuerda was equal to 2250 vara2(1572 m2). It continues to be an official unit of land measure in Puerto Rico today.
References
Puerto Rican units of measurement Wikipedia(Text) CC BY-SA