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Toise

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A toise ([twaz]; symbol: T) is a unit of measure for length, area and volume originating in pre-revolutionary France. In North America, it was used in colonial French establishments in early New France, French Louisiana (Louisiane), and Quebec. The related toesa ([tuˈezɐ]) was used in Portugal, Brazil and other parts of the Portuguese Empire until the adoption of the Metric system.

Contents

Unit of length

  • 1 Toise was exactly 6 pieds (feet) (about 1.949 metres) in France until 1812.
  • 1 Toise was exactly 2 metres in France between 1812 and 1 January 1840 (mesures usuelles).
  • 1 Toise = 1.8 metres in Switzerland.
  • 1 Toesa = 6 pés (feet) = 1.98 m in Portugal.

    • According to an article written in 1866, during investigation of various measuring standards, the toise was determined to be 1,949.03632 mm.

    Unit of area

  • 1 Toise was about 3.799 square metres or, of course, a square French toise, as a measure for land and masonry area in France before 10 December 1799.

    • Unit of volume

  • 1 Toise = 8.0 cubic metres (20th century Haiti)

    • Origin

    Historical French unit. Early Louisiana in the United States.

    References

    Toise Wikipedia
    (Text) CC BY-SA