boisseau [French]


In France, 13ᵗʰ –19ᵗʰ centuries, the chief measure of dry capacity, varying greatly from place to place. By an act of 1670, the nationally-standardized measure of a boisseau was a cylinder 8 pouces 2.5 lignes high and 10 pouces in diameter (13.008 liters). In Paris: Link to a chart showing relationships between French units of capacity used for wheat, as standardized by the act of 1670, and later in the Système Usuel.. In Rouen: opens a new page containing a chart that shows relationships between this unit and other units in its system.

The Système Usuel, (1812 – 1839), assigned the boisseau the value 12.5 liters.


In Belgium, a unit of capacity, 15 liters (about 1.70 U.S. pecks).


In the French departments of Aisne, Bouches-du-Rhône, Marne, and Oise, the boisseau was also a unit of land area, varying from 100 to 500 square meters. See seed measures of land.

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