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4,046.87261 square metres (1 square kilometre is equal to 247.105 acres) 1 acre (both variants) is equal to the following customary units: 66 feet × 660 feet (43,560 square feet) 10 square chains (1 chain = 66 feet = 22 yards = 4 rods = 100 links) 1 acre is approximately 208.71 feet × 208.71 feet (a square) 4,840 square yards; 43,560 square feet
pound per square foot: psf ≡ 1 lbf/ft 2: ≈ 47.880 26 Pa [33] pound per square inch: psi ≡ 1 lbf/in 2: ≈ 6.894 757 × 10 3 Pa [33] poundal per square foot: pdl/sq ft ≡ 1 pdl/sq ft ≈ 1.488 164 Pa [33] short ton per square foot: ≡ 1 short ton × g 0 / 1 sq ft ≈ 9.576 0518 × 10 4 Pa: torr: torr ≡ 101 325 ⁄ 760 Pa ≈ 133.3224 ...
Comparison of 1 square foot with some Imperial and metric units of area. The square foot (pl. square feet; abbreviated sq ft, sf, or ft 2; also denoted by ' 2 and ⏍) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States and partially in Canada, the United Kingdom, Bangladesh, India, Nepal, Pakistan, Ghana, Liberia, Malaysia, Myanmar ...
Under the 1300 Composition of Yards and Perches, one of the statutes of uncertain date that was notionally in force until the 1824 Weights and Measures Act, "3 barly cornes dry and rounde" [2] [3] were to serve as the basis for the inch and thence the larger units of feet, yards, perches and thus of the acre, an important unit of area.
An American football field, including both end zones, is 360 by 160 ft (120.0 by 53.3 yd; 109.7 by 48.8 m), or 57,600 square feet (5,350 m 2) (0.535 hectares or 1.32 acres). A Canadian football field is 65 yards (59 m) wide and 110 yards (100 m) long with end zones adding a combined 40 yards (37 m) to the length, making it 87,750 square feet ...
Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3). There has been two definitions of the acre-foot (differing by about 0.0006%), using either the international foot (0.3048 m) or a U.S. survey foot (exactly 1200 / 3937 meters since
A killa or acre is measured rectangularly, reckoned as an area 36 karams (198 ft) x 40 karams (220 ft) (43,560 square ft). 1 /5th of a killa or acre is known as bigha 1 /5th of a killa or acre is known as bigha
The smallest counties and county equivalents (in the 50 states) are the independent cities of Virginia with the extreme being Falls Church at 2.05 sq mi (5.3 km 2; 1,310 acres). [8] If the U.S. territories are included, the smallest county-equivalent is Kingman Reef , with a land area of 0.012 square miles (3.1 ha; 7.7 acres).