Acre

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acre is the unit of land used in imperial and US customary systems. This is defined as area 1 chain by 1 furlong (66 x 660 ft), which is exactly the same as ¹ / ₆₄₀ of square miles, 43,560 feet square, about 4,047 m ² , or about 40% of one hectare.

Acre is commonly used in many countries, including Britain, the United States, Canada, India, Ghana, Liberia, and others.

The international acre symbol is ac . The most commonly used acre today is international acre. In the United States both international acre and US survey acre are in use, but differ only two parts per million; See below. The most common use of acre is to measure the soil. An international acre is defined as exactly 4,046,856 422 4 square meter square.

An acre was defined in the Middle Ages as an area of ​​land that could be hijacked in one day by a bullock yoke .

Video Acre

Description

One hectare is equivalent to 0.0015625 square miles, 4,840 square meters, 43,560 square feet or about 4,047 square meters (0.4047 hectares) (see below). While all modern variants of acre contain 4,840 square meters, there is an alternative definition of the page, so the exact size of one acre depends on the page based. Initially, acre understood as Selion land measuring at forty-perch (660A, ft, or 1Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, Ã, length and four perch (66a, ft) wide; it may also be understood as an estimate of the amount of land that can be controlled by a bull in one day. a rectangle that includes one acre is approximately 69.57 yards, or 208 feet (inches ) on the side.As the unit of measure, acre has no designated shape, each area of ​​43,560 square feet is one hectare.

Maps Acre

Difference between international and US survey areas

On the international page and the pound agreement of 1959 the United States and the five countries of the Commonwealth of Nations define the international page to be exactly 0.9144 meters. As a result, the international area is 4,046,856 422 4 square meter square.

Both the international acre and the US survey contain ¹ / ₆₄₀ of square miles or 4,840 square meters, but alternate definitions of one yard are used (see survey foot and survey pages), so the exact size of one acre depends on which page it is based on. The area of ​​the US survey is about 4,046,872 609 874 252 square meter; the exact value ( 4046 Ã, 13,525,426 / 15,499,969 Ã, m ² ) is based on an inch defined by 1 meter = 39.37 inches exactly, as determined by Order Mendenhall. Surveyors in the United States use both international foot and survey, and consequently, both acre varieties.

Because the difference between US and international acre surveys is only about a quarter the size of a sheet of A4 paper (0.016 square meters, 160 square centimeters or 24.8 square inches), it is usually not important what is being discussed. Areas are rarely measured with sufficient accuracy for different definitions to be detected.

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Use

Acre is commonly used by Antigua and Barbuda, American Samoa, Bahamas, Belize, British Virgin Islands, Cayman Islands, Canada, Dominica, Falkland Islands, Grenada, Ghana, Guam, Northern Mariana Islands, India, Sri Lanka, Bangladesh, Nepal, Ireland , Jamaica, Montserrat, Myanmar, Pakistan, Samoa, St. Lucia, St. Lucia Helena, St. St. Kitts and Nevis, St. Vincent and the Grenadines, Turks and Caicos, the United Kingdom, the United States and the US Virgin Islands.

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South Asia

In India, the housing plot is measured in cents or decimals, the one hundredth of an acre, or 435.60 square feet (40,469m ² ). In Sri Lanka a share of one hectare to 160 perching or 4 rood is common.

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Equality to other broad units

1 international acre equals the following metric unit:

• 0.40468564224Ã, hectare (Square with 100Ã, m side has area of ​​1Ã, hectÃ, hectare.)
• 4,046.8564224 square meters

1 acre United States survey equals:

• 0.404687261Ã, hectare
• 4,046,87261 square meters (1 square kilometer equals 247,105 hectares)

1 acre (both variants) equals the following custom units:

• 66 feet ÃÆ'â € "660 feet (43,560 square feet)
• 10 square chains (1 chain = 66 feet = 22 meters = 4 bars = 100 links)
• 1 hectare approximately 208,71 feet ÃÆ'â € "208,71 feet (square)
• 4840 square meters
• 43,560 square feet
• 160 perched. A perch is the same as a square rod (1 square rod is 0.00625 acre)
• 4 trash
• A furlong by chain (along 200 yards, 22 yard chain)
• 40 bars with 4 bars, 160 stems ² (historical fences are often sold in 40 long stems)
• ¹ / ₆₄₀ (0.0015625) square miles (1 square mile equals 640Ã, acre)

Probably the easiest way for a US citizen to imagine an acre is as a rectangle measuring 88 yards by 55 yards ( ¹ / ₁₀ of 880 yards by < span> ^{/ ₁₆ of 880Ã, yard), about 9 / ₁₀ the size of a standard American soccer field.}

To be more precise, one acre is 90.75% of 100-yd-long by an American football field 53.33-yd-wide (without the end zone). The full field, including the final zone, covers about 1.32 hectares (0.53 ha).

For residents of other countries, acre may be imagined as about half of the 105-m length with a 68-m-wide (soccer) association football field.

It can also be remembered as 44,000 square feet, less 1%.

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Original history

The word "acre" comes from Old English ÃÆ'Â|cer originally meaning "open field", cognate to the west coast Norwegian ÃÆ'Â|kre and Swedish ÃÆ'  ¥ ker , German Acker , Dutch < span lang = "nl" title = "Dutch text"> akker , Latin ager , Sanskrit ajr , and Greek ?? ??? ( agro ). In English, historically spelled aker .

The extent of approximately the amount of land that can be cultivated by the yoke of the ox in one day. This explains one definition as the area of ​​the rectangle with the long side of one chain and one furlong. Long narrow land is more efficient to plow than square plot, because the plow does not have to be played frequently. The word "furlong" itself comes from the fact that it is a long path.

Prior to the introduction of the metric system, many countries in Europe used their own official acres. This is a different size in different countries, for example, the historic French land is 4,221 square meters, whereas in Germany as many variants of "acre" exist because there is a German state.

The legal values ​​for acre are enforced in the UK, and then, the UK, by acts:

• Edward I
• Edward III
• Henry VIII
• George IV
• Queen Victoria - Britain's Weight and Size Act of 1878 designates it as 4,840 square meters.

Historically, the size of agricultural land and agricultural land in England is usually expressed in hectares (or acres, roods, and perches), even if the number of acres is so large that it may be easily expressed in square miles. For example, a certain landowner might be said to have 32,000 hectares of land instead of 50 square miles of land.

Acre is associated with square miles, with 640 acres making a square mile. One mile is 5280 feet (1760 yards). In western Canada and the western United States, land sharing is usually based on square miles, and its fractions. If the square mile is divided into four sections, each quarter has the length of ¹ / ₂ mil (880Ã, yard) and ¹ / ₄ square miles in the area, or 160 hectares. These subunits will usually be subdivided into four sections, with each side along ¹ / ₄ miles, and become ¹ / ₁₆ of square miles in the area, or 40 hectares. In the United States, farmland is usually divided as such, and the phrase "back 40" will refer to the 40-acre package to the back of the farm. Most Canadian Prairie Provinces and the US Midwest are on a square-mile grid for survey purposes.

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Old root

• Customary Land - The custom acre is a size measure approximately equal to the acre described above, but it is subject to local variations quite similar to the variations found in carucates, virgates, bovates, niches, and farundels. However, there are more ancient sizes that are also farthingales. This may be a multiple of indigenous acts, not a deed of law.
• Builder Area - In the construction and development of US real estate, an area of ​​40,000 square feet. Used to simplify math and for marketing, almost 10% smaller than an acre survey.
• Scottish Acre , one of Scotland's outdated measurement units
• Irish Land = 7,840 square meters
• Cheshire acre = 10,240 square meters
• stremma or Greek acre ? 10,000 square feet of Greece, but now set at exactly 1,000 square meters (similar units are zeugarion)
• dunam or Turkish territory ? 1,600 square meters of Turkey, but now set at exactly 1,000 square meters (similar units are ÃÆ'§ift)
• actus quadratus or Roman acre ? 14,400 square meters Roman (about 1,260 square meters)
• The Land of God - a synonym for the church page.

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See also

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References

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External links

• The Regulatory Measurement Unit 1995 (English)
• Cockeyed.com presents "How many in one acre?"

Source of the article : Wikipedia