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#
**Area Conversions**

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# Unit Conversions/Area Conversions

Conversion factors and examples for units of area associated with land and natural resource measurement.### Land Terms

#### Acre popular

**square measure**) used primarily in the United States. One (1)

**acre**is equal to 43,560 square

**feet**, 4,046.86 square

**meters**, or 0.4047

**hectares**.

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#### Acre equivalents and conversions popular

**43,560 square feet**.

One (1) acre equals

**0.4047 hectares**.

One (1) acre equals

**10 square chains**.

One (1) acre equals

**160 square rods**.

One (1) acre equals

**160 square poles**.

One (1) acre equals

**160 square perches**.

One (1) acre equals

**4,840 square yards**.

One (1) acre equals

**4,046.856 square meters**.

One (1) acre equals

**0.0016 square miles**.

One (1) acre equals

**0.0016 sections**.

One (1) acre equals

**0.004 square kilometers**.

One (1) acre equals

**0.0000434 townships**.

One (1) acre equals

**1.183676 arpents**.

One (1) acre equals

**4.0 roods**.

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#### Arpent popular

**acre**, used in France, Louisiana, and Quebec. One (1) arpent is equal to 0.8448

**acres**or about 36,800

**square feet**. For more arpent conversions, see

**arpent equivalents or conversions**or

**converting arpents**.

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#### Arpent equivalents or conversions popular

**acre**. One (1) arpent is equal to 0.8448 acres. One (1) arpent is equal to 36,800.6256

**square feet**. One (1) arpent is equal to 4,088.9584

**square yards**. One (1) arpent is equal to 135.1716

**square rods**,

**poles**, or

**perches**. One (1) arepent is equal to 8.4482

**square chains**. One (1) arpent is equal to 3.3793

**roods**. One (1) arpent is equal to 0.0013

**square miles**or

**sections**. One (1) arpent is equal to 0.000037

**townships**. One (1) arpent is equal to 3,18.89

**square meters**. One (1) arpent is equal to 0.3419

**hectares**. One (1) arpent is equal to 0.0034

**square kilometers**.

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#### Converting acres to hectares

**acre**equals 0.4047

**hectares (ha)**. To convert acres to hectares, multiply the number of acres by 0.4047. For example, 20 acres x 0.4047 hectares per acre = 8.094 hectares.

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#### Converting acres to square chains

**Surveyor's**or

**square measure**system: One (1)

**acre**equals 10

**square chains**. To convert acres to square chains, multiply the number of acres by 10. For example, 12.8 acres x 10 square chains per acre = 128 square chains.

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#### Converting acres to square feet

**acre**equals 43,560

**square feet**. To convert acres to square feet, multiply the number of acres by 43,560. For example, 17.5 acres x 43,560 square feet per acre = 762,300 square feet.

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#### Difference between square units and units square popular

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#### Hectare popular

**square measure**) of the metric system, used in most countries of the world. One (1) hectare is equal to 10,000

**square meters**, 0.01

**square kilometers**, or 2.471

**acres**.

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#### Hectare equivalents or conversions

**square meters**. One (1) hectare is equal to 0.01

**square kilometers**. One (1) hectare is equal to 2.471

**acres**. One (1) hectare is equal to 107,639.104

**square feet**. One (1) hectare is equal to 11,959.9

**square yards**. One (1) hectare is equal to 395.367

**square rods**,

**poles**, or

**perches**. One (1) hectare is equal to 24.71

**square chains**. One (1) hectare is equal to 9.88

**roods**. One (1) hectare is equal to 2.925

**arpents**. One (1) hectare is equal to 0.0039

**square miles**or

**sections**. One (1) hectare is equal to 0.0001

**townships**.

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#### Pole popular

**rod**or one square rod, commonly used in land

**surveys**. The terms,

**rod**, pole, and

**perch**are equivalent and may be used interchangeably, although "rod" is the most common. One (1) pole is equal to 25

**links**, 16.5

**feet**, or 1/4 (0.25)

**chain**. For conversions and examples, see

**Rod, pole, or perch equivalents and conversions**and the various

**Converting rods, poles, or perches to...**entries.

2. A roundwood product used primarily for structural support. Tree species used for poles are selected for resistance to weather, wear, and mechanical stress and include lodgepole pine, Douglas-fir, western hemlock, and a variety of southern pines.

**3.**Term applied to trees that have too small a

**diameter**to be considered

**sawlogs**, but are useful as structural supports, flagpoles, etc.

**4.**The end of an axis, as in poles of the earth or of cellular mitotic spindles in plants and animals.

**5.**Either of two opposing parts, forces, or situations, as in magnets, batteries, or opinions.

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#### Rod

**surveys**. The terms, rods,

**poles**, and

**perches**are equivalent and may be used interchangeably, although "rod" is the most common. One (1) rod is equal to 25

**links**, 16.5

**feet**, or 1/4 (0.25)

**chain**. For conversions and examples, see

**Rod, pole, or perch equivalents and conversions**and the various

**Converting rods, poles, or perches to...**entries.

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#### Rood

**acre**, 40

**square rods**, or 10,890.0

**square feet**. For more rood conversions, see

**rood conversions or equivalents**or

**converting roods**.

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#### Rood equivalents and conversions

**acre**. One (1) rood is equal to 40

**square rods**. One (1) rood is equal to 2.5

**square chains**. One (1) rood is equal to 10,890.0

**square feet**. One (1) rood is equal to 1,210.0

**square yards**. One (1) rood is equal to 0.2959

**arpents**. One (1) rood is equal to 0.0004

**sections**or

**square miles**. One (1) rood is equal to 0.00001

**townships**. One (1) rood is equal to 1,011.7141

**square meters**. One (1) rood is equal to 0.1012

**hectares**. One (1) rood is equal to 0.001

**square kilometers**.

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#### Section

**acres**, within a

**township**. Sections are used in the

**government rectangular survey system (U.S. Public Lands Survey)**. Each section is approximately 1/36th (0.0278) of a township. Irregularities exist due to the curvature of the earth; these irregularities are corrected for in the northern and western tiers of sections in each township. One (1) section is equal to 640 acres, one (1) mile square, one (1)

**square mile**, and 27,878,400

**square feet**.

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#### Section equivalents or conversions

**township**is one (1) mile square and has an area of one (1)

**square mile**. One (1) section is equal to 640

**acres**. One (1) section is equal to 27,878,400

**square feet**. One (1) section is equal to 2.59

**square kilometers**. One (1) section is equal to 3,097,600

**square yards**. One (1) section is equal to 102,399.59

**square rods**,

**poles**, or

**perches**. One (1) section is equal to 6,399.9744

**square chains**. One (1) section is equal to 2,560.0

**roods**. One (1) section is equal to 757.5523

**arpents**. One (1) section is equal to 0.0278 (1/36th)

**townships**. One (1) section is equal to 2,589,988.1103

**square meters**. One (1) section is equal to 258.9988

**hectares**.

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#### Square chain

**square measure**) that is one (1)

**Gunter's**or

**surveyor's chain**in length on each side. There are ten (10) square chains in one (1) acre of land. One (1) square chain is equal to 4,356.0

**square feet**or 404.687

**square meters**.

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#### Square chain equivalents or conversions

**square feet**. One (1) square chain is equal to 484.002

**square yards**. One (1) square chain is equal to 404.687

**square meters**. One (1) square chain is equal to 16.0

**square rods**,

**poles**, or

**perches**. One (1) square chain is equal to 0.4

**roods**. One (1) square chain is equal to 0.1184

**arpents**. One (1) square chain is equal to 0.1

**acres**. One (1) square chain is equal to 0.0405

**hectares**. One (1) square chain is equal to 0.0004

**square kilometers**. One (1) square chain is equal to 0.0002

**square miles**or

**sections**. One (1) square chain is equal to 0.000004

**townships**.

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#### Square foot (feet)

**square measure**) that is one (1)

**foot**long on each side. One (1)

**acre**of land contains 43,560 square feet. One (1) square foot is equal to 0.09

**square meters**.

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#### Square foot (feet) equivalents or conversions

**square meters**. One (1) square foot is equal to 0.1111

**square yards**. One (1) square foot is equal to 0.0037

**square rods**,

**poles**, or

**perches**. One (1) square foot is equal to 0.0002

**square chains**. One (1) square foot is equal to 0.00002

**acres**. One (1) foot is equal to 0.000009

**hectares**. One (1) square foot is equal to 0.00009

**roods**. One (1) square foot is equal to 0.00003

**arpents**.

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#### Square kilometer

**kilometer**in length on each side. One (1) square kilometer is equal to 1,000,000

**square meters**, 100

**hectares**, or 0.386

**square miles**.

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#### Square kilometer equivalents or conversions

**square meters**. One (1) square kilometer is equal to 100

**hectares**. One (1) square kilometer is equal to 0.3861

**square miles**. One (1) square kilometer is equal to 247.10538

**acres**. One (1) square kilometer is equal to 10,763,910.42

**square feet**. One (1) square kilometer is equal to 1,195,990.046

**square yards**. One (1) square kilometer is equal to 39,536.703

**square rods**,

**poles**, or

**perches**. One (1) square kilometer is equal to 2,471.044

**square chains**. One (1) square kilometer is equal to 988.422

**roods**. One (1) square kilometer is equal to 292.4926

**arpents**. One (1) kilometer is equal to 0.0107

**townships**.

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#### Square meter

**square measure**) that is one (1)

**meter**long on each side. One (1)

**hectare**of land contains 10,000 square meters. One (1) square meter is equal to 1.196

**square yards**or 10.764

**square feet**.

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#### Square meter equivalents or conversions

**square feet**. One (1) square meter is equal to 1.196

**square yards**. One (1) square meter is equal to 0.0395

**square rods**,

**poles**, or

**perches**. One (1) square meter is equal to 0.0025

**square chains**. One (1) square meter is equal to 0.001

**roods**. One (1) square meter is equal to 0.0003

**arpents**. One (1) square meter is equal to 0.00025

**acres**. One (1) square meter is equal to 0.0001

**hectares**. One (1) square meter is equal to 0.000001

**square kilometers**. One (1) hectare is equal to 10,000 square meters. One (1) square kilometer is equal to 1,000,000 square meters. One (1) square meter is equal to 10,000 square centimeters.

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#### Square mile

**section**(1/36th) of a

**township**, or 640

**acres**. See

**square mile equivalents**or

**converting square miles**for more conversions and equivalents.

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