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This is the template sandbox page for Template:Infobox settlement/areadisp (diff).
See also the companion subpage for test cases.

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This subtemplate of {{Infobox settlement}} displays area values.

Usage

{{Infobox settlement/areadisp
| km2   = area in square kilometres (via area_total_km2 and others)
| sqmi  = area in square miles (via area_total_sq_mi and others)
| ha    = area in hectares (via area_total_ha and others)
| acre  = area in acres (via area_total_acre and others)
| dunam = area in dunams (via area_total_dunam and others)
| pref  = preference to display /km2 or /sqmi (via unit_pref)
| name  = name of country (via subdivision_name)
| link  = if dunam_link = on, returns total=on
| mag   = set to value of area_magnitude
}}

Examples: square kilometre (km2)

{{Infobox settlement/areadisp|km2=N}}

Input		Output			Input		Output
km2=	Precision	Conversion (sq. mi.)	Order of magnitude	Template output	km2=	Precision	Conversion (sq. mi.)	Order of magnitude	Template output
`10000`	-4	3,861.0	3	10,000 km² (4,000 sq mi)	`22222`	0	8,580.0	3	22,222 km² (8,580 sq mi)
`1000`	-3	386.1	2	1,000 km² (400 sq mi)	`2222`	0	857.9	2	2,222 km² (858 sq mi)
`100`	-2	38.6	1	100 km² (40 sq mi)	`222`	0	85.7	1	222 km² (86 sq mi)
`10`	-1	3.86	0	10 km² (4 sq mi)	`22`	0	8.5	0	22 km² (8 sq mi)
`1`	0	0.386	-1	1 km² (0.4 sq mi)	`2`	0	0.77	-1	2 km² (0.8 sq mi)
`0.1`	1	0.0386	-2	0.1 km² (0.04 sq mi)	`0.2`	1	0.077	-2	0.2 km² (0.08 sq mi)
`0.01`	2	0.00386	-3	0.01 km² (0.004 sq mi)	`0.22`	2	0.0849	-2	0.22 km² (0.08 sq mi)
`0.001`	3	0.000386	-4	0.001 km² (0.0004 sq mi)	`0.222`	3	0.08571	-2	0.222 km² (0.086 sq mi)
`0.0001`	4	3.86E-5	-5	0.0001 km² (0 sq mi)	`0.2222`	4	0.085792	-2	0.2222 km² (0.0858 sq mi)

Examples: square mile (sqmi)

{{Infobox settlement/areadisp|pref=UK|sqmi=N}}

Input		Output			Input		Output
sqmi=	Precision	Conversion (km²)	Order of magnitude	Template output	sqmi=	Precision	Conversion (km²)	Order of magnitude	Template output
`10000`	-4	25,899.9	4	10,000 sq mi (30,000 km²)	`22222`	0	57,554.7	4	22,222 sq mi (57,550 km²)
`1000`	-3	2,589.99	3	1,000 sq mi (3,000 km²)	`2222`	0	5,754.95	3	2,222 sq mi (5,750 km²)
`100`	-2	259.00	2	100 sq mi (300 km²)	`222`	0	574.98	2	222 sq mi (570 km²)
`10`	-1	25.90	1	10 sq mi (30 km²)	`22`	0	56.98	1	22 sq mi (60 km²)
`1`	0	2.59	0	1 sq mi (3 km²)	`2`	0	5.18	0	2 sq mi (5 km²)
`0.1`	1	0.259	-1	0.1 sq mi (0.3 km²)	`0.2`	1	0.518	-1	0.2 sq mi (0.5 km²)
`0.01`	2	0.0259	-2	0.01 sq mi (0.03 km²)	`0.22`	2	0.5698	-1	0.22 sq mi (0.6 km²)
`0.001`	3	0.00259	-3	0.001 sq mi (0.003 km²)	`0.222`	3	0.57498	-1	0.222 sq mi (0.57 km²)
`0.0001`	4	0.000259	-4	0.0001 sq mi (0.0003 km²)	`0.2222`	4	0.575495	-1	0.2222 sq mi (0.575 km²)
`0.00001`	5	2.59E-5	-5	0.00001 sq mi (0 km²)	`0.22222`	5	0.575547	-1	0.22222 sq mi (0.5755 km²)

Examples: hectare (ha)

{{Infobox settlement/areadisp|ha=N}}

Input		Output			Input		Output
ha=	Precision	Conversion (acres)	Order of magnitude	Template output	ha=	Precision	Conversion (acres)	Order of magnitude	Template output
`10000`	-4	24710.5	4	10,000 ha (20,000 acres)	`22222`	0	54911.8	4	22,222 ha (54,912 acres)
`1000`	-3	2471.1	3	1,000 ha (2,000 acres)	`2222`	0	5490.7	3	2,222 ha (5,491 acres)
`100`	-2	247.1	2	100 ha (200 acres)	`222`	0	548.6	2	222 ha (549 acres)
`10`	-1	24.7	1	10 ha (20 acres)	`22`	0	54.4	1	22 ha (54 acres)
`1`	0	2.47	0	1 ha (2 acres)	`2`	0	4.9	0	2 ha (5 acres)
`0.1`	1	0.247	-1	0.1 ha (0.2 acres)	`0.2`	1	0.49	-1	0.2 ha (0.5 acres)
`0.01`	2	0.0247	-2	0.01 ha (0.02 acres)	`0.22`	2	0.544	-1	0.22 ha (0.54 acres)
`0.001`	3	0.00247	-3	0.001 ha (0.002 acres)	`0.222`	3	0.5486	-1	0.222 ha (0.549 acres)
`0.0001`	4	0.000247	-4	0.0001 ha (0.0002 acres)	`0.2222`	4	0.54907	-1	0.2222 ha (0.5491 acres)
`0.00001`	5	2.47E-5	-5	0.00001 ha (0 acres)	`0.22222`	5	0.549118	-1	0.22222 ha (0.54912 acres)

Examples: acre

{{Infobox settlement/areadisp|pref=UK|acre=N}}

Input		Output			Input		Output
acre=	Precision	Conversion (hectares)	Order of magnitude	Template output	acre=	Precision	Conversion (hectares)	Order of magnitude	Template output
`10000`	-4	4046.9	3	10,000 acres (4,000 ha)	`22222`	0	8992.9	3	22,222 acres (8,993 ha)
`1000`	-3	404.69	2	1,000 acres (400 ha)	`2222`	0	899.2	2	2,222 acres (899 ha)
`100`	-2	40.47	1	100 acres (40 ha)	`222`	0	89.8	1	222 acres (90 ha)
`10`	-1	4.05	0	10 acres (4 ha)	`22`	0	8.9	0	22 acres (9 ha)
`1`	0	0.405	-1	1 acre (0.4 ha)	`2`	0	0.81	-1	2 acres (0.8 ha)
`0.1`	1	0.0405	-2	0.1 acres (0.04 ha)	`0.2`	1	0.081	-2	0.2 acres (0.08 ha)
`0.01`	2	0.00405	-3	0.01 acres (0.004 ha)	`0.22`	2	0.089	-2	0.22 acres (0.09 ha)
`0.001`	3	0.000405	-4	0.001 acres (0.0004 ha)	`0.222`	3	0.0898	-2	0.222 acres (0.090 ha)
`0.0001`	4	4.05E-5	-5	0.0001 acres (0 ha)	`0.2222`	4	0.08992	-2	0.2222 acres (0.0899 ha)

Examples: dunam

{{Infobox settlement/areadisp|pref=Dunam|dunam=N}}

Input		Output			Input		Output
dunam=	Precision	Conversion	Order of magnitude	Template output	dunam=	Precision	Conversion	Order of magnitude	Template output
`100000`	-5	km2: 100 sqmi: 38.610	2 1	100,000 dunams (100 km² or 40 sq mi)	`222222`	0	km2: 222.222 sqmi: 85.800	2 1	222,222 dunams (222.222 km² or 85.800 sq mi)
`10000`	-4	km2: 10 sqmi: 3.861	1 0	10,000 dunams (10 km² or 4 sq mi)	`22222`	0	km2: 22.222 sqmi: 8.580	1 0	22,222 dunams (22.222 km² or 8.580 sq mi)
`1000`	-3	km2: 1 ac: 247.1	0 2	1,000 dunams (1 km² or 200 acres)	`2222`	0	km2: 2.222 ac: 549.1	0 2	2,222 dunams (2.222 km² or 549 acres)
`100`	-2	ha: 10 ac: 24.7	1 1	100 dunams (10 ha or 20 acres)	`222`	0	ha: 22.2 ac: 54.9	1 1	222 dunams (22.2 ha or 55 acres)
`10`	-1	ha: 1 ac: 2.47	0 0	10 dunams (1 ha or 2 acres)	`22`	0	ha: 2.2 ac: 5.44	0 0	22 dunams (2.2 ha or 5 acres)
`1`	0	ha: 0.1 ac: 0.247	-1 -1	1 dunam (0.1 ha or 0.2 acres)	`2`	0	ha: 0.2 ac: 0.49	-1 -1	2 dunams (0.2 ha or 0.5 acres)
`0.1`	1	ha: 0.01 ac: 0.0247	-2 -2	0.1 dunams (0.01 ha or 0.02 acres)	`0.2`	1	ha: 0.02 ac: 0.049	-2 -2	0.2 dunams (0.02 ha or 0.05 acres)
`0.01`	2	ha: 0.001 ac: 0.00247	-3 -3	0.01 dunams (0.001 ha or 0.002 acres)	`0.22`	2	ha: 0.022 ac: 0.054	-2 -2	0.22 dunams (0.022 ha or 0.05 acres)
`0.001`	3	ha: 0.0001 ac: 0.000247	-4 -4	0.001 dunams (0.0001 ha or 0.0002 acres)	`0.222`	3	ha: 0.0222 ac: 0.0549	-2 -2	0.222 dunams (0.0222 ha or 0.055 acres)
`0.0001`	4	ha: 1.0E-5 ac: 2.47E-5	-5 -5	0.0001 dunams (0 ha or 0 acres)	`0.2222`	4	ha: 0.02222 ac: 0.05491	-2 -2	0.2222 dunams (0.02222 ha or 0.0549 acres)

@@ Line 44: / Line 44: @@
             |{{rnd<!--               convert hectares to acres                 -->
                |{{#expr:{{formatnum:{{{ha}}}|R}}/0.4046856422}}
-               |({{precision|{{formatnum:{{{ha}}}|R}}}}-1)
+               |{{max/2<!-- output at least one sig fig                        -->
+                  |({{precision|{{formatnum:{{{ha}}}|R}}}}-1)
+                  |-{{Order of magnitude|{{#expr:{{formatnum:{{{ha}}}|R}}/0.4046856422}}}}
+                }}<!--               end max2                                  -->
              }}<!--                  end rnd                                   -->
             |{{rnd<!--               convert square kilometres to square miles -->