Use this free online area converter to change acres into square kilometers instantly. Type in the acres value, and the equivalent square kilometers is calculated for you in real time.
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Enter your inputs, and the result is calculated in real-time.
Acres
Square Kilometers
How to use this Acres to Square Kilometers Converter 🤔
Follow these steps to convert given Acres value from Acres units to Square Kilometers units.
Enter the input Acres value in the text field.
The given Acres is converted to Square Kilometers in realtime ⌚ using the formula, and displayed under the Square Kilometers label.
You may copy the resulting Square Kilometers value using the Copy button.
Formula
To convert given area from Acres to Square Kilometers, use the following formula.
Square Kilometers = Acres * 0.0040468564224
Calculation
Calculation will be done after you enter a valid input.
Acres to Square Kilometers Conversion Table
The following table gives some of the most used conversions from Acres to Square Kilometers.
Acres (ac)
Square Kilometers (km2)
0 ac
0 km2
1 ac
0.00404685642km2
10 ac
0.04046856422km2
45 ac
0.1821km2
90 ac
0.3642km2
180 ac
0.7284km2
360 ac
1.4569km2
1000 ac
4.0469km2
Acres
An acre is a unit of area measurement used primarily in the United States and the United Kingdom. It is equal to 43,560 square feet or about 4,047 square meters. Acres are commonly used in real estate, agriculture, and land management to describe the size of parcels of land. They provide a convenient way to discuss and compare land sizes, particularly in rural and agricultural contexts.
Square Kilometers
A square kilometer (km2) is a unit of area measurement equal to one million square meters or the area of a square with sides one kilometer long. It is commonly used to measure large areas such as cities, regions, and natural landscapes. Square kilometers are crucial in geography, urban planning, and environmental studies, helping to quantify and compare vast tracts of land or water, such as forests, lakes, and entire countries.
{
"conversion": "acre-sq_km",
"x_slug": "acre",
"y_slug": "sq_km",
"x": "ac",
"y": "km<sup>2<sup>",
"x_desc": "Acres",
"y_desc": "Square Kilometers",
"category": "Area",
"symbol": "m",
"formula": "x * 0.0040468564224",
"precision": 11,
"examples": "<div class=\"example\">\n <div class=\"example_head\"><span class=\"example_n\">1</span>\n <h3 class=\"question\">Consider that a piece of land for sale measures 10 acres.<br>Convert this area from acres to Square Kilometers.</h3></div>\n <h4 class=\"answer\">Answer:</h4>\n <p><strong>Given:</strong></p>\n <p>The area in acres is:</p>\n <p class=\"step\"><span>Area<sub>(Acres)</sub></span> = 10</p>\n <p><strong>Formula:</strong></p>\n <p>The formula to convert area from acres to square kilometers is:</p>\n <p class=\"formula step\"><span>Area<sub>(Square Kilometers)</sub></span> = <span>Area<sub>(Acres)</sub></span> × 0.0040468564224</p>\n <p><strong>Substitution:</strong></p>\n <p>Substitute given weight <strong>Area<sub>(Acres)</sub> = 10</strong> in the above formula.</p>\n <p class=\"step\"><span>Area<sub>(Square Kilometers)</sub></span> = <span>10</span> × 0.0040468564224</p>\n <p class=\"step\"><span>Area<sub>(Square Kilometers)</sub></span> = 0.04046856422</p>\n <p><strong>Final Answer:</strong></p>\n <p>Therefore, <strong>10 ac</strong> is equal to <strong>0.04046856422 km<sup>2<sup></strong>.</p>\n <p>The area is <strong>0.04046856422 km<sup>2<sup></strong>, in square kilometers.</p>\n </div>\n <div class=\"example\">\n <div class=\"example_head\"><span class=\"example_n\">2</span>\n <h3 class=\"question\">Consider that a large estate is spread across 25 acres.<br>Convert this area from acres to Square Kilometers.</h3></div>\n <h4 class=\"answer\">Answer:</h4>\n <p><strong>Given:</strong></p>\n <p>The area in acres is:</p>\n <p class=\"step\"><span>Area<sub>(Acres)</sub></span> = 25</p>\n <p><strong>Formula:</strong></p>\n <p>The formula to convert area from acres to square kilometers is:</p>\n <p class=\"formula step\"><span>Area<sub>(Square Kilometers)</sub></span> = <span>Area<sub>(Acres)</sub></span> × 0.0040468564224</p>\n <p><strong>Substitution:</strong></p>\n <p>Substitute given weight <strong>Area<sub>(Acres)</sub> = 25</strong> in the above formula.</p>\n <p class=\"step\"><span>Area<sub>(Square Kilometers)</sub></span> = <span>25</span> × 0.0040468564224</p>\n <p class=\"step\"><span>Area<sub>(Square Kilometers)</sub></span> = 0.1012</p>\n <p><strong>Final Answer:</strong></p>\n <p>Therefore, <strong>25 ac</strong> is equal to <strong>0.1012 km<sup>2<sup></strong>.</p>\n <p>The area is <strong>0.1012 km<sup>2<sup></strong>, in square kilometers.</p>\n </div>\n ",
"table1n": "<h2><span class=\"x\">Acres</span> to <span class=\"y\">Square Kilometers</span> Conversion Table</h2><p>The following table gives some of the most used conversions from Acres to Square Kilometers.</p><table><thead><tr><th scope=\"column\" role=\"columnheader\">Acres (<span class=\"unit\">ac</span>)</th><th scope=\"column\" role=\"columnheader\">Square Kilometers (<span class=\"unit\">km<sup>2<sup></span>)</th><tr></thead><tbody><tr><td>0 <span class=\"unit\">ac</span></td><td>0 <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>1 <span class=\"unit\">ac</span></td><td>0<span>.00404685642</span> <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>10 <span class=\"unit\">ac</span></td><td>0<span>.04046856422</span> <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>45 <span class=\"unit\">ac</span></td><td>0<span>.1821</span> <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>90 <span class=\"unit\">ac</span></td><td>0<span>.3642</span> <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>180 <span class=\"unit\">ac</span></td><td>0<span>.7284</span> <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>360 <span class=\"unit\">ac</span></td><td>1<span>.4569</span> <span class=\"unit\">km<sup>2<sup></span></td></tr><tr><td>1000 <span class=\"unit\">ac</span></td><td>4<span>.0469</span> <span class=\"unit\">km<sup>2<sup></span></td></tr></table>",
"units": [
[
"sq_meter",
"Square Meters",
"m<sup>2<sup>"
],
[
"sq_km",
"Square Kilometers",
"km<sup>2<sup>"
],
[
"sq_cm",
"Square Centimeters",
"cm<sup>2<sup>"
],
[
"sq_mm",
"Square Millimeters",
"mm<sup>2<sup>"
],
[
"hectare",
"Hectares",
"ha"
],
[
"acre",
"Acres",
"ac"
],
[
"sq_mile",
"Square Miles",
"mi<sup>2<sup>"
],
[
"sq_foot",
"Square Foot",
"ft<sup>2<sup>"
],
[
"sq_yard",
"Square Yards",
"yd<sup>2<sup>"
],
[
"sq_inch",
"Square Inches",
"in<sup>2<sup>"
],
[
"section",
"Section",
"section"
]
],
"y_long_desc": "A square kilometer (km<sup>2</sup>) is a unit of area measurement equal to one million square meters or the area of a square with sides one kilometer long. It is commonly used to measure large areas such as cities, regions, and natural landscapes. Square kilometers are crucial in geography, urban planning, and environmental studies, helping to quantify and compare vast tracts of land or water, such as forests, lakes, and entire countries.",
"x_long_desc": "An acre is a unit of area measurement used primarily in the United States and the United Kingdom. It is equal to 43,560 square feet or about 4,047 square meters. Acres are commonly used in real estate, agriculture, and land management to describe the size of parcels of land. They provide a convenient way to discuss and compare land sizes, particularly in rural and agricultural contexts."
}