arpent Unit Converter

Definition of arpent unit

An arpent is a traditional unit of land area used chiefly in French-speaking regions of North America and the Caribbean. Its size varies by locality, but it commonly equals about 0.85 acre, or approximately 3,400 square meters.

History of arpent unit

The arpent developed from Old French land-measurement practices and was carried to North America, especially New France, during the seventeenth century. Colonial authorities, seigneurs, and surveyors used it to describe farms, plantations, and riverfront parcels. Its dimensions were never completely standardized: an arpent could indicate a linear measure or an area, depending on context and region. In Quebec, Louisiana, and parts of the Caribbean, local conventions produced different values. After metrication and the adoption of acres and hectares, the arpent disappeared from surveying, although deeds and records still preserve it.

Applications of arpent unit

Today, the arpent appears mainly in historical research, genealogy, cadastral archives, and legal interpretation of older land grants. In Louisiana, Quebec, and Caribbean territories, it may still occur informally or in inherited property descriptions. Researchers convert arpents into hectares, acres, or square meters when comparing parcels. For example, a Louisiana arpent is often treated as roughly 0.84 acre.

Complete list of arpent unit conversion