Peruvian units of measurement

A number of units of measurement were used in Peru to measure length, mass, area, etc. The Metric system adopted in 1862 and has been compulsory since 1869 in Peru.^[1]^[2]

System before metric system

Units from Spanish Castillian were used.^[1]

One vara was equal to 0.83598 m.^[1] One pie was equal to 0.27866 m/3 varas.^[2]

Several units were used to measure mass. One libra was equal to 0.46009 kg.^[1]^[2] Some other units are given below:

1 arroba = 25 libra

1 quintal = 100 libra

1 fanega = 140 libra.^[1]^[2]^[3]

One topo was equal to 2706 m².^[1] One fanegada was equal to 6459.6 m².^[1]

^ ^a ^b ^c ^d ^e ^f ^g 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.
^ ^a ^b ^c ^d Cardarelli, F. (2003). Encyclopaedia of Scientific Units, Weights and Measures. Their SI Equivalences and Origins. London: Springer. pp. 163. ISBN 978-1-4471-1122-1.
^ Clarke, F.W. (1891). Weights Measures and Money of All Nations. New York: D. Appleton & Company. p. 59.