Ares to Square Kilometers (a → km²)
Formula
1 a = 0.0001 km²Conversion Table
| a | km² |
|---|---|
| 0 | 0 |
| 1.0000 | 0.00010000 |
| 2.0000 | 0.00020000 |
| 3.0000 | 0.00030000 |
| 4.0000 | 0.00040000 |
| 5.0000 | 0.00050000 |
| 6.0000 | 0.00060000 |
| 7.0000 | 0.00070000 |
| 8.0000 | 0.00080000 |
| 9.0000 | 0.00090000 |
| 10.000 | 0.0010000 |
| 11.000 | 0.0011000 |
| 12.000 | 0.0012000 |
| 13.000 | 0.0013000 |
| 14.000 | 0.0014000 |
| 15.000 | 0.0015000 |
| 16.000 | 0.0016000 |
| 17.000 | 0.0017000 |
| 18.000 | 0.0018000 |
| 19.000 | 0.0019000 |
| a | km² |
|---|---|
| 20.000 | 0.0020000 |
| 21.000 | 0.0021000 |
| 22.000 | 0.0022000 |
| 23.000 | 0.0023000 |
| 24.000 | 0.0024000 |
| 25.000 | 0.0025000 |
| 26.000 | 0.0026000 |
| 27.000 | 0.0027000 |
| 28.000 | 0.0028000 |
| 29.000 | 0.0029000 |
| 30.000 | 0.0030000 |
| 31.000 | 0.0031000 |
| 32.000 | 0.0032000 |
| 33.000 | 0.0033000 |
| 34.000 | 0.0034000 |
| 35.000 | 0.0035000 |
| 36.000 | 0.0036000 |
| 37.000 | 0.0037000 |
| 38.000 | 0.0038000 |
| 39.000 | 0.0039000 |
| a | km² |
|---|---|
| 40.000 | 0.0040000 |
| 41.000 | 0.0041000 |
| 42.000 | 0.0042000 |
| 43.000 | 0.0043000 |
| 44.000 | 0.0044000 |
| 45.000 | 0.0045000 |
| 46.000 | 0.0046000 |
| 47.000 | 0.0047000 |
| 48.000 | 0.0048000 |
| 49.000 | 0.0049000 |
| 50.000 | 0.0050000 |
| 51.000 | 0.0051000 |
| 52.000 | 0.0052000 |
| 53.000 | 0.0053000 |
| 54.000 | 0.0054000 |
| 55.000 | 0.0055000 |
| 56.000 | 0.0056000 |
| 57.000 | 0.0057000 |
| 58.000 | 0.0058000 |
| 59.000 | 0.0059000 |
| a | km² |
|---|---|
| 60.000 | 0.0060000 |
| 61.000 | 0.0061000 |
| 62.000 | 0.0062000 |
| 63.000 | 0.0063000 |
| 64.000 | 0.0064000 |
| 65.000 | 0.0065000 |
| 66.000 | 0.0066000 |
| 67.000 | 0.0067000 |
| 68.000 | 0.0068000 |
| 69.000 | 0.0069000 |
| 70.000 | 0.0070000 |
| 71.000 | 0.0071000 |
| 72.000 | 0.0072000 |
| 73.000 | 0.0073000 |
| 74.000 | 0.0074000 |
| 75.000 | 0.0075000 |
| 76.000 | 0.0076000 |
| 77.000 | 0.0077000 |
| 78.000 | 0.0078000 |
| 79.000 | 0.0079000 |
Ares to Square Kilometers Conversion
Converting Ares (a) to Square Kilometers (km²) is a common area conversion. 1 a equals 0.0001 km². For example, 100 a is equal to 0.01 km².
Quick Mental Math: Ares to Square Kilometers
100 ares is 0.01 square kilometers, so use that anchor for a quick conversion.
Why is converting Ares to Square Kilometers tricky?
The trap in ares to square kilometers is that area units square the prefix, so a 100-fold length step becomes 10,000-fold in area.
Quick Reference Values
1 a = 0.0001 km². 5 a = 0.0005 km². 10 a = 0.001 km². 25 a = 0.0025 km². 50 a = 0.005 km². 100 a = 0.01 km².
What is Ares?
Ares (a) is a unit of area. An are is a metric unit of area equal to 100 square meters. It is commonly used for measuring land area, especially in agriculture and real estate. One hectare equals 100 ares, making the are one hundredth of a hectare [bipm-si-brochure]. The are was introduced in France in 1795 during the metric system reform to provide a convenient unit for land measurement. It has remained a practical unit in many countries since then [bipm-si-brochure]. Ares are used primarily in Europe, Latin America, and some Asian countries for land plots and cadastral surveys. They are recognized by international standards such as the BIPM SI brochure [bipm-si-brochure].
What is Square Kilometers?
Square Kilometers (km²) is a unit of area. A square kilometer is a unit of area defined by a square with sides of one kilometer each. It equals 1,000,000 square meters, making it a standard SI unit for measuring large land areas [bipm-si-brochure]. This unit is widely used in geography, urban planning, and environmental science. The kilometer was introduced in France in the late 18th century as part of the metric system. The square kilometer was adopted as a derived SI unit to quantify extensive surface areas, formalized by the BIPM in the 20th century [bipm-si-brochure]. Square kilometers are globally used for mapping countries, cities, and natural features. National statistical offices and international organizations employ km² in demographic and environmental data reporting [bipm-si-brochure].
Common Misspellings
People often search for this conversion using these alternate spellings: are, areses, aers, arres, square kilometeres, sq km, square km, kilometer square, km2. All of these refer to the Ares to Square Kilometers conversion.