Puerto Rican units of measurement

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: Cuerda

Several units were used to measure area. One cuerda was equal to 2250 vara2(1572 m2).[1] It continues to be an official unit of land measure in Puerto Rico today.[2]

References

  1. 1 2 Washburn, E.W. (1926). International Critical Tables of Numerical Data, Physics, Chemistry and Technology. 1. New York: McGraw-Hil Book Company, Inc. p. 10. Retrieved 8 February 2015.
  2. Units - Cuerda. Sizes.com. Puerto Rico Act 135, section 4 (page 100), 1913–14, as amended by Act No. 3, 1913–14: A cuerda, quote: "a unit of land area, approximately 3,930 square meters (approximately 0.971 acres)...In land measurements and records, the measurement by cuerda customarily used in Porto [sic] Rico...equivalent to 3,930.395625 square meters..."
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