Convert are to square kilometer
Please provide values below to convert are [a] to square kilometer [km^2], or Convert square kilometer to are.
1 a = 0.0001 km^2. To convert are to square kilometer, multiply the value by 0.0001; to go the other way, divide by it (1 km^2 = 10000 a). Both units measure area and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 a = 0.0001 km^2
- 1 km^2 = 10000 a
- 10 a = 0.001 km^2
- 100 a = 0.01 km^2
How to Convert Are to Square Kilometer
1 a = 0.0001 km^2
Example: convert 15 a to km^2:
15 a = 15 × 0.0001 km^2 = 0.0015 km^2
Are to Square Kilometer Conversion Table
| are | square kilometer |
|---|---|
| 1 a | 0.0001 km^2 |
| 2 a | 0.0002 km^2 |
| 3 a | 0.0003 km^2 |
| 5 a | 0.0005 km^2 |
| 10 a | 0.001 km^2 |
| 20 a | 0.002 km^2 |
| 50 a | 0.005 km^2 |
| 100 a | 0.01 km^2 |
| 500 a | 0.05 km^2 |
| 1000 a | 0.1 km^2 |
Are
The are is a metric unit of area equal to 100 square meters.
History/Origin
The are was introduced in France in the 19th century as a convenient unit for measuring land area, particularly in agriculture and real estate.
Current Use
The are is still used in some countries for land measurement, especially in real estate and agriculture, but has largely been replaced by the hectare in most contexts.
Square Kilometer
A square kilometer is a unit of area equal to the area of a square with sides measuring one kilometer each.
History/Origin
The square kilometer has been used as a standard unit of area measurement in the metric system since its adoption, primarily for measuring large land areas such as countries and regions.
Current Use
It is commonly used in geography, urban planning, and environmental studies to quantify land and area sizes, especially in contexts requiring large-scale measurements.
Frequently Asked Questions
What is 1 are in square kilometer?
1 are (a) = 0.0001 square kilometer (km^2).
How do you convert are to square kilometer?
Multiply the are value by 0.0001. For example, 25 a × 0.0001 = 0.0025 km^2.
What is 10 are in square kilometer?
10 a = 0.001 km^2.
Which unit is larger, the are or the square kilometer?
The square kilometer is the larger unit: 1 a equals only 0.0001 km^2.