# Haitian units of measurement

A number of units of measurement were used in Haiti to measure length, area, volume, etc. Since 1921, Metric system has been compulsory in Haiti.[1]

## Units before the metric system

Older units before the Metric system were British, old French, and Spanish.[1]

### Length

Several units were used in Haiti. One toise was 1.9488 m and one anne was 1.188 m, according to the legal equivalents during the transition period to metric system.[1][2]

### Area

One carreau was equal to 1292.3 m according to the legal equivalents during the transition period to metric system.[1]

### Volume

Several units were used to measure volume. Some units and their equivalents according to the transition period, are given below:[1][2]

1 baril = 0.1 m3

1 corde = 3.84 m3

1 toise = 8 m3.

## References

1. Washburn, E.W. (1926). International Critical Tables of Numerical Data, Physics, Chemistry and Technology. New York: McGraw-Hil Book Company, Inc. p. 8.
2. Cardarelli, F. (2003). Encyclopaedia of Scientific Units, Weights and Measures. Their SI Equivalences and Origins. London: Springer. p. 156. ISBN 978-1-4471-1122-1.