Comparison of Area Units
Acre ( Engl. Acre ; international designation: ac ) is a land measure used in a number of countries with an English system of measures (for example, in the UK , USA , Canada , Australia and others).
- 1 acre
- = 4 ore
- = 4046.86 m² ≈ 0.004 km² (1/250 km²)
- = 4840 square yards
- = 888.97 square fathoms
- = 0.37 tithes
- = 0.405 ha
- = 40.46856 ar
- = 1 ⁄ 30 land yards
- = 1 ⁄ 640 square miles
- = 4046.86 m² ≈ 0.004 km² (1/250 km²)
- = 4 ore
Content
History
Acre originally denoted the area of land cultivated daily by one peasant with one ox [1] .
See also
- Dunam
Notes
- ↑ Ruth Schwartz Cowan A Social History of American Technology. - New York: Oxford University Press, 1997
Links
- Acre // Brockhaus and Efron Encyclopedic Dictionary : in 86 volumes (82 volumes and 4 additional). - SPb. , 1890-1907.
- Acker // Brockhaus and Efron Encyclopedic Dictionary : in 86 volumes (82 volumes and 4 additional). - SPb. , 1890-1907.