Measurement (AREA) – CONVERSION - Revision history

Khanh: /* Tables of conversion factors */

2021-12-17T17:59:24Z

Tables of conversion factors

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Khanh: /* Tables of conversion factors */

2021-12-17T17:40:51Z

Tables of conversion factors

Khanh at 06:59, 17 December 2021

2021-12-17T06:59:47Z

Khanh: Created page with "===Area=== {| class="wikitable" |+ Area !Name of unit !Symbol !Definition !Relation to SI units |- | acre (international) || ac | ≡ {{nowrap|1 ch × 10..."

2021-12-16T21:47:08Z

Created page with "===Area=== {| class="wikitable" |+ Area !Name of unit !Symbol !Definition !Relation to SI units |- | acre (international) || ac | ≡ {{nowrap|1 ch × 10..."

New page

===Area===
{| class="wikitable"
|+ [[Surface area|Area]]
!Name of unit
!Symbol
!Definition
!Relation to SI units
|-
| [[acre]] (international) || ac
| ≡ {{nowrap|1 ch × 10 ch}} = {{val|4840|u=sqyd}}
| ≡ {{val|4046.8564224|u=m2}}
|-
| [[acre]] (US survey) || ac
| ≡ 10 sq ch = {{val|4840|u=sqyd}}, also {{val|43560|u=sqft}}
| ≈ {{val|4046.873|u=m2}}
|-
| [[Hectare#Are|are]] || a
| ≡ 100 m2
| ≡ 100 m2
|-
| [[barn (unit)|barn]] || b
| ≡ 10−28 m2
| ≡ 10−28 m2
|-
| barony ||  
| ≡ {{val|4000}} ac
| ≡ {{val|1.61874256896|e=7|u=m2}}
|-
| board || bd
| ≡ {{nowrap|1 in × 1 ft}}
| ≡ {{val|7.74192|e=-3|u=m2}}
|-
| boiler horsepower equivalent direct radiation || bhp EDR
| ≡ 1 ft2 × 1 bhp / (240 BTUIT/h)
| ≈ {{val|12.958174|u=m2}}
|-
| circular [[inch]] || circ in
| ≡ {{frac|π|4}} sq in
| ≈ {{val|5.067075|e=-4|u=m2}}
|-
| circular mil; circular thou || circ mil
| ≡ {{frac|π|4}} mil2
| ≈ {{val|5.067075|e=-10|u=m2}}
|-
| cord ||  
| ≡ 192 bd
| ≡ {{val|1.48644864|u=m2}}
|-
| [[cuerda]] (PR Survey) || cda
| ≡ 1 cda x 1 cda = {{val|0.971222}} acre
| ≡ {{val|3930.395625|u=m2}}
|-
| [[dunam]] ||  
| ≡ {{val|1000|u=m2}}
| ≡ {{val|1000|u=m2}}
|-
| [[guntha]] (India) ||  
| ≡ 121 sq yd
| ≈ 101.17 m2
|-
| [[hectare]] || ha
| ≡ {{val|10000|u=m2}}
| ≡ {{val|10000|u=m2}}
|-
| [[hide (unit)|hide]] ||  
| ≈ 120 ac (variable)
| ≈ {{val|5|e=5|u=m2}}
|-
| rood || ro
| ≡ {{frac|4}} ac
| = {{val|1011.7141056|u=m2}}
|-
| ping ||
| ≡ {{frac|20|11}} m × {{frac|20|11}} m
| ≈ {{val|3.306|u=m2}}
|-
| section ||
| ≡ 1 mi × 1 mi
| = {{val|2.589988110336|e=6|u=m2}}
|-
| [[shed (physics)|shed]] ||  
| ≡ 10−52 m2
| = 10−52 m2
|-
| square (roofing) ||
| ≡ 10 ft × 10 ft
| = {{val|9.290304|u=m2}}
|-
| square chain (international) || sq ch
| ≡ 66 ft × 66 ft = {{frac|10}} ac
| ≡ {{val|404.68564224|u=m2}}
|-
| square chain (US Survey) || sq ch
| ≡ 66 ft (US) × 66 ft (US) = {{frac|10}} US survey acre
| ≈ {{val|404.6873|u=m2}}
|-
| [[square foot]] || sq ft
| ≡ {{nowrap|1 ft × 1 ft}}
| ≡ {{val|9.290304|e=-2|u=m2}}
|-
| square [[foot (unit)|foot]] (US Survey) || sq ft
| ≡ {{nowrap|1 ft (US) × 1 ft (US)}}
| ≈ {{val|9.2903411613275|e=-2|u=m2}}
|-
| [[square inch]] || sq in
| ≡ {{nowrap|1 in × 1 in}}
| ≡ {{val|6.4516|e=-4|u=m2}}
|-
| [[square kilometre]] || km2
| ≡ 1 km × 1 km
| = 106 m2
|-
| square link (Gunter's)(International) || sq lnk
| ≡ 1 lnk × 1 lnk ≡ 0.66 ft × 0.66 ft
| = {{val|4.0468564224|e=-2|u=m2}}
|-
| square link (Gunter's)(US Survey) || sq lnk
| ≡ {{nowrap|1 lnk × 1 lnk}} ≡ {{nowrap|0.66 ft (US) × 0.66 ft (US)}}
| ≈ {{val|4.046872|e=-2|u=m2}}
|-
| square link (Ramsden's) || sq lnk
| ≡ 1 lnk × 1 lnk ≡ 1 ft × 1 ft
| = {{val|0.09290304|u=m2}}
|- style="background:#dfd;"
| [[square metre]] (SI unit) || m2
| ≡ 1 [[Metre|m]] × 1 m
| = 1 m2
|-
| square mil; square thou || sq mil
| ≡ 1 mil × 1 mil
| = {{val|6.4516|e=-10|u=m2}}
|-
| square [[mile]] || sq mi
| ≡ 1 mi × 1 mi
| ≡ {{val|2.589988110336|e=6|u=m2}}
|-
| square [[mile]] (US Survey) || sq mi
| ≡ 1 mi (US) × 1 mi (US)
| ≈ {{val|2.58999847|e=6|u=m2}}
|-
| square rod/pole/perch || sq rd
| ≡ 1 rd × 1 rd
| = {{val|25.29285264|u=m2}}
|-
| [[square yard]] (International) || sq yd
| ≡ 1 yd × 1 yd
| ≡ {{val|0.83612736|u=m2}}
|-
| [[stremma]] ||  
| ≡ {{val|1000|u=m2}}
| = {{val|1000|u=m2}}
|-
| [[survey township|township]] ||  
| ≡ 36 sq mi (US)
| ≈ {{val|9.323994|e=7|u=m2}}
|-
| [[virgate|yardland]] ||  
| ≈ 30 ac
| ≈ {{val|1.2|e=5|u=m2}}
|}

== Licensing ==
Content obtained and/or adapted from:
* [https://en.wikipedia.org/wiki/Conversion_of_units Conversion of units, Wikipedia] under a CC BY-SA license

@@ Line 40: / Line 40: @@
 |-
 | acre (international) || ac
-| ≡ {{nowrap|1 ch × 10 ch}} = {{val|4840|u=sqyd}}
+| ≡ 1 ch × 10 ch = 4840 sq yd
-| ≡ {{val|4046.8564224|u=m2}}
+| ≡ 4 046.856 4224 m<sup>2</sup>
 |-
-| [[acre]] (US survey) || ac
+| acre (US survey) || ac
-| ≡ 10 sq ch = {{val|4840|u=sqyd}}, also {{val|43560|u=sqft}}
+| ≡ 10 sq ch = 4840 sq yd, also 43 560 sq ft
-| ≈ {{val|4046.873|u=m2}}
+| ≈ 4 046.873 m<sup>2</sup>
 |-
-| [[Hectare#Are|are]] || a
+| are || a
 | ≡ 100&nbsp;m<sup>2</sup>
 | ≡ 100&nbsp;m<sup>2</sup>
 |-
-| [[barn (unit)|barn]] || b
+| barn || b
 | ≡ 10<sup>−28</sup>&nbsp;m<sup>2</sup>
 | ≡ 10<sup>−28</sup>&nbsp;m<sup>2</sup>
 |-
 | barony || &nbsp;
-| ≡ {{val|4000}}&nbsp;ac
+| ≡ 4000 ac
-| ≡ {{val|1.61874256896|e=7|u=m2}}
+| ≡ 1.618 742 568 96 x 10<sup>7</sup> m<sup>2</sup>
 |-
 | board || bd
-| ≡ {{nowrap|1 in × 1 ft}}
+| ≡ 1 in × 1 ft
-| ≡ {{val|7.74192|e=-3|u=m2}}
+| ≡ 7.741 92 x 10<sup>-3</sup> m<sup>2</sup>
 |-
 | boiler horsepower equivalent direct radiation || bhp EDR
 | ≡ 1&nbsp;ft<sup>2</sup> × 1&nbsp;bhp / (240&nbsp;BTU<sub>IT</sub>/h)
-| ≈ {{val|12.958174|u=m2}}
+| ≈ 12.958 174 m<sup>2</sup>
 |-
-| circular [[inch]] || circ in
+| circular inch || circ in
 | ≡ {{frac|π|4}}&nbsp;sq&nbsp;in
 | ≈ {{val|5.067075|e=-4|u=m2}}
@@ Line 79: / Line 79: @@
 | ≡ {{val|1.48644864|u=m2}}
 |-
-| [[cuerda]] (PR Survey) || cda
+| cuerda (PR Survey) || cda
 | ≡ 1 cda x 1 cda = {{val|0.971222}} acre
 | ≡ {{val|3930.395625|u=m2}}
 |-
-| [[dunam]] || &nbsp;
+| dunam || &nbsp;
 | ≡ {{val|1000|u=m2}}
 | ≡ {{val|1000|u=m2}}
 |-
-| [[guntha]] (India) || &nbsp;
+| guntha (India) || &nbsp;
 | ≡ 121&nbsp;sq&nbsp;yd
 | ≈ 101.17&nbsp;m<sup>2</sup>
 |-
-| [[hectare]] || ha
+| hectare || ha
 | ≡ {{val|10000|u=m2}}
 | ≡ {{val|10000|u=m2}}
 |-
-| [[hide (unit)|hide]] || &nbsp;
+| hide || &nbsp;
 | ≈ 120 ac (variable)
 | ≈ {{val|5|e=5|u=m2}}
@@ Line 111: / Line 111: @@
 | = {{val|2.589988110336|e=6|u=m2}}
 |-
-| [[shed (physics)|shed]] || &nbsp;
+| shed || &nbsp;
 | ≡ 10<sup>−52</sup>&nbsp;m<sup>2</sup>
 | = 10<sup>−52</sup>&nbsp;m<sup>2</sup>
@@ Line 127: / Line 127: @@
 | ≈ {{val|404.6873|u=m2}}
 |-
-| [[square foot]] || sq ft
+| square foot || sq ft
 | ≡ {{nowrap|1 ft × 1 ft}}
 | ≡ {{val|9.290304|e=-2|u=m2}}
 |-
-| square [[foot (unit)|foot]] (US Survey) || sq ft
+| square foot (US Survey) || sq ft
-| ≡ {{nowrap|1 ft (US) × 1 ft (US)}}
+| ≡ 1 ft (US) × 1 ft (US)
 | ≈ {{val|9.2903411613275|e=-2|u=m2}}
 |-
-| [[square inch]] || sq in
+| square inch || sq in
-| ≡ {{nowrap|1 in × 1 in}}
+| ≡ 1 in × 1 in
 | ≡ {{val|6.4516|e=-4|u=m2}}
 |-
-| [[square kilometre]] || km<sup>2</sup>
+| square kilometre || km<sup>2</sup>
 | ≡ 1&nbsp;km × 1&nbsp;km
 | = 10<sup>6</sup> m<sup>2</sup>
@@ Line 148: / Line 148: @@
 |-
 | square link (Gunter's)(US Survey) || sq lnk
-| ≡ {{nowrap|1 lnk × 1 lnk}} ≡ {{nowrap|0.66 ft (US) × 0.66 ft (US)}}
+| ≡ 1 lnk × 1 lnk ≡ 0.66 ft (US) × 0.66 ft (US)
 | ≈ {{val|4.046872|e=-2|u=m2}}
 |-
@@ Line 155: / Line 155: @@
 | = {{val|0.09290304|u=m2}}
 |- style="background:#dfd;"
-| [[square metre]] (SI&nbsp;unit) || m<sup>2</sup>
+| square metre (SI&nbsp;unit) || m<sup>2</sup>
-| ≡ 1 [[Metre|m]] × 1 m
+| ≡ 1 m × 1 m
 | = 1 m<sup>2</sup>
 |-
@@ Line 163: / Line 163: @@
 | = {{val|6.4516|e=-10|u=m2}}
 |-
-| square [[mile]] || sq mi
+| square mile || sq mi
 | ≡ 1&nbsp;mi × 1&nbsp;mi
 | ≡ {{val|2.589988110336|e=6|u=m2}}
 |-
-| square [[mile]] (US Survey) || sq mi
+| square mile (US Survey) || sq mi
 | ≡ 1&nbsp;mi (US) × 1&nbsp;mi (US)
 | ≈ {{val|2.58999847|e=6|u=m2}}
@@ Line 175: / Line 175: @@
 | = {{val|25.29285264|u=m2}}
 |-
-| [[square yard]] (International) || sq yd
+| square yard (International) || sq yd
 | ≡ 1 yd × 1 yd
 | ≡ {{val|0.83612736|u=m2}}
 |-
-| [[stremma]] || &nbsp;
+| stremma || &nbsp;
 | ≡ {{val|1000|u=m2}}
 | = {{val|1000|u=m2}}
 |-
-| [[survey township|township]] || &nbsp;
+| township || &nbsp;
 | ≡ 36 sq mi (US)
 | ≈ {{val|9.323994|e=7|u=m2}}
 |-
-| [[virgate|yardland]] || &nbsp;
+| yardland || &nbsp;
 | ≈ 30 ac
 | ≈ {{val|1.2|e=5|u=m2}}

@@ Line 1: / Line 1: @@
-===Area===
+==Techniques==
 {| class="wikitable"
-|+ [[Surface area|Area]]
+|+ Area
 !Name of unit
 !Symbol
@@ Line 7: / Line 39: @@
 !Relation to SI units
 |-
-| [[acre]] (international) || ac
+| acre (international) || ac
 | ≡ {{nowrap|1 ch × 10 ch}} = {{val|4840|u=sqyd}}
 | ≡ {{val|4046.8564224|u=m2}}