Puerto Rican units of measurement
Appearance
Several units of measurements were used in Puerto Rico. Metric system has been compulsory since 1860 in Puerto Rico.[1]
System before metric system
Several units were used before metric adoption. These units were older Spanish units.
Area
Several units were used to measure area. One cuerda was equal to 2250 vara2(1572 m2).[1]
References
- ^ a b Washburn, E.W. (1926). International Critical Tables of Numerical Data, Physics, Chemistry and Technology. Vol. 1. New York: McGraw-Hil Book Company, Inc. p. 10. Retrieved 8 February 2015.