Acre

The acre is a unit of area in a number of different systems, including the imperial and U.S. customary systems. Its international symbol is ac.

The most commonly used acres today are the international acre. In the United States both the international acre and the slightly different US survey acre are in use. The most common use of the acre is to measure tracts of land. One international acre is equal to 4046.8564224 square metres.

During the Middle Ages, an acre was the amount of land that could be plowed in one day with a yoke of oxen.

Read more about Acre:  Description, Difference in Measurement, South Asia, Equivalence To Other Units of Area, Historical Origin, Other Acres

Famous quotes containing the word acre:

    Only by himself, with one acre and a house, will a dunce be a dunce. Once he manages to gain power, he’ll turn into a scoundrel.
    Franz Grillparzer (1791–1872)

    And every acre good enough to eat,
    As fine as flour put through a baker’s sieve.
    Robert Frost (1874–1963)

    I would not have every man nor every part of a man cultivated, any more than I would have every acre of earth cultivated: part will be tillage, but the greater part will be meadow and forest, not only serving an immediate use, but preparing a mould against a distant future, by the annual decay of the vegetation which it supports.
    Henry David Thoreau (1817–1862)