Convert Ares (a) to Square Kilometers (km²)
Enter a value below to convert Ares (a) to Square Kilometers (km²).
Conversion:
1 Ares (a) = 0.0001 Square Kilometers (km²)
How to Convert Ares (a) to Square Kilometers (km²)
1 a = 0.0001 km2
1 km2 = 10000 a
Example: convert 15 Ares (a) to Square Kilometers (km²):
25 a = 0.0025 km2
Ares (a) to Square Kilometers (km²) Conversion Table
| Ares (a) | Square Kilometers (km²) |
|---|---|
| 0.01 a | 0.000001 km2 |
| 0.1 a | 0.00001 km2 |
| 1 a | 0.0001 km2 |
| 2 a | 0.0002 km2 |
| 3 a | 0.0003 km2 |
| 5 a | 0.0005 km2 |
| 10 a | 0.001 km2 |
| 20 a | 0.002 km2 |
| 50 a | 0.005 km2 |
| 100 a | 0.01 km2 |
| 1000 a | 0.1 km2 |
Ares (a)
Definition
An are (a) is a metric unit of area equal to 100 square meters. It represents the area of a square with sides of 10 meters.
History
The are was introduced as part of the metric system in France in 1795. While officially still a recognized unit, it has largely been superseded by the hectare in most practical applications.
Current use
Ares are used primarily in some European countries for measuring small to medium land plots, gardens, and agricultural parcels. In France, Belgium, and Luxembourg, land listings sometimes reference ares.
Square Kilometers (km²)
Definition
A square kilometer (km²) is a metric unit of area equal to 1,000,000 square meters or 100 hectares. It represents the area of a square with sides of 1 kilometer.
History
The square kilometer naturally followed the adoption of the metric system and the kilometer as a standard unit of distance. It became the standard large-scale area unit for geography, demographics, and national statistics.
Current use
Square kilometers are used worldwide to express the area of cities, regions, countries, lakes, and large geographic features. It is the standard unit in national census data and geopolitical comparisons.