Square Kilometers to Ares (km² → a)
Formula
1 km² = 10000 aConversion Table
| km² | a |
|---|---|
| 0 | 0 |
| 1.0000 | 10,000 |
| 2.0000 | 20,000 |
| 3.0000 | 30,000 |
| 4.0000 | 40,000 |
| 5.0000 | 50,000 |
| 6.0000 | 60,000 |
| 7.0000 | 70,000 |
| 8.0000 | 80,000 |
| 9.0000 | 90,000 |
| 10.000 | 100,000 |
| 11.000 | 110,000 |
| 12.000 | 120,000 |
| 13.000 | 130,000 |
| 14.000 | 140,000 |
| 15.000 | 150,000 |
| 16.000 | 160,000 |
| 17.000 | 170,000 |
| 18.000 | 180,000 |
| 19.000 | 190,000 |
| km² | a |
|---|---|
| 20.000 | 200,000 |
| 21.000 | 210,000 |
| 22.000 | 220,000 |
| 23.000 | 230,000 |
| 24.000 | 240,000 |
| 25.000 | 250,000 |
| 26.000 | 260,000 |
| 27.000 | 270,000 |
| 28.000 | 280,000 |
| 29.000 | 290,000 |
| 30.000 | 300,000 |
| 31.000 | 310,000 |
| 32.000 | 320,000 |
| 33.000 | 330,000 |
| 34.000 | 340,000 |
| 35.000 | 350,000 |
| 36.000 | 360,000 |
| 37.000 | 370,000 |
| 38.000 | 380,000 |
| 39.000 | 390,000 |
| km² | a |
|---|---|
| 40.000 | 400,000 |
| 41.000 | 410,000 |
| 42.000 | 420,000 |
| 43.000 | 430,000 |
| 44.000 | 440,000 |
| 45.000 | 450,000 |
| 46.000 | 460,000 |
| 47.000 | 470,000 |
| 48.000 | 480,000 |
| 49.000 | 490,000 |
| 50.000 | 500,000 |
| 51.000 | 510,000 |
| 52.000 | 520,000 |
| 53.000 | 530,000 |
| 54.000 | 540,000 |
| 55.000 | 550,000 |
| 56.000 | 560,000 |
| 57.000 | 570,000 |
| 58.000 | 580,000 |
| 59.000 | 590,000 |
| km² | a |
|---|---|
| 60.000 | 600,000 |
| 61.000 | 610,000 |
| 62.000 | 620,000 |
| 63.000 | 630,000 |
| 64.000 | 640,000 |
| 65.000 | 650,000 |
| 66.000 | 660,000 |
| 67.000 | 670,000 |
| 68.000 | 680,000 |
| 69.000 | 690,000 |
| 70.000 | 700,000 |
| 71.000 | 710,000 |
| 72.000 | 720,000 |
| 73.000 | 730,000 |
| 74.000 | 740,000 |
| 75.000 | 750,000 |
| 76.000 | 760,000 |
| 77.000 | 770,000 |
| 78.000 | 780,000 |
| 79.000 | 790,000 |
Square Kilometers to Ares Conversion
Converting Square Kilometers (km²) to Ares (a) is a common area conversion. 1 km² equals 10,000 a. For example, 100 km² is equal to 1,000,000 a.
Quick Mental Math: Square Kilometers to Ares
1 square kilometer is 10,000 ares, so 0.3 square kilometers is 3,000 ares.
Why is converting Square Kilometers to Ares tricky?
The trap in square kilometers to ares is that area units square the prefix, so a 100-fold length step becomes 10,000-fold in area.
Quick Reference Values
1 km² = 10,000 a. 5 km² = 50,000 a. 10 km² = 100,000 a. 25 km² = 250,000 a. 50 km² = 500,000 a. 100 km² = 1,000,000 a.
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].
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].
Common Misspellings
People often search for this conversion using these alternate spellings: square kilometeres, sq km, square km, kilometer square, km2, are, areses, aers, arres. All of these refer to the Square Kilometers to Ares conversion.