Convert Ares to Square Kilometers

Enter the area in ares below to get the value converted to square kilometers.

Results in Square Kilometers:
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1 a = 0.0001 sq km

How to Convert Ares to Square Kilometers

Calculators can be used to convert measurements from one unit to another

To convert an are measurement to a square kilometer measurement, multiply the area by the conversion ratio. One are is equal to 0.0001 square kilometers, so use this simple formula to convert:

square kilometers = ares × 0.0001

The area in square kilometers is equal to the ares multiplied by 0.0001.

For example, here's how to convert 5 ares to square kilometers using the formula above.
5 a = (5 × 0.0001) = 0.0005 sq km

Ares and square kilometers are both units used to measure area. Keep reading to learn more about each unit of measure.


One are is equal to 100 square meters, or the area of a square with 10 meter sides.

The are is a non-SI metric unit for area. Ares can be abbreviated as a, for example 1 are can be written as 1 a.

Square Kilometers

One square kilometer is equal to the area of a square with sides that are 1 kilometer in length.

The square kilometer, or square kilometre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "kilo" is the prefix for 103. A square kilometer is sometimes also referred to as a square km. Square kilometers can be abbreviated as sq km, and are also sometimes abbreviated as km². For example, 1 square kilometer can be written as 1 sq km or 1 km².

Are Measurements and Equivalent Square Kilometer Conversions

Common are values converted to the equivalent square kilometer value
Ares Square Kilometers
1 a 0.0001 sq km
2 a 0.0002 sq km
3 a 0.0003 sq km
4 a 0.0004 sq km
5 a 0.0005 sq km
6 a 0.0006 sq km
7 a 0.0007 sq km
8 a 0.0008 sq km
9 a 0.0009 sq km
10 a 0.001 sq km
11 a 0.0011 sq km
12 a 0.0012 sq km
13 a 0.0013 sq km
14 a 0.0014 sq km
15 a 0.0015 sq km
16 a 0.0016 sq km
17 a 0.0017 sq km
18 a 0.0018 sq km
19 a 0.0019 sq km
20 a 0.002 sq km
21 a 0.0021 sq km
22 a 0.0022 sq km
23 a 0.0023 sq km
24 a 0.0024 sq km
25 a 0.0025 sq km
26 a 0.0026 sq km
27 a 0.0027 sq km
28 a 0.0028 sq km
29 a 0.0029 sq km
30 a 0.003 sq km
31 a 0.0031 sq km
32 a 0.0032 sq km
33 a 0.0033 sq km
34 a 0.0034 sq km
35 a 0.0035 sq km
36 a 0.0036 sq km
37 a 0.0037 sq km
38 a 0.0038 sq km
39 a 0.0039 sq km
40 a 0.004 sq km

More Are Area Conversions

US Customary
Convert to Square Miles
1 a is equal to 3.861E-5 square miles
Convert to Acres
1 a is equal to 0.024711 acres
Convert to Square Yards
1 a is equal to 119.599005 square yards
Convert to Square Feet
1 a is equal to 1,076.39 square feet
Convert to Square Inches
1 a is equal to 155,000.3 square inches
SI Units
Convert to Square Meters
1 a is equal to 100 square meters
Convert to Square Centimeters
1 a is equal to 1,000,000 square centimeters
Convert to Square Millimeters
1 a is equal to 100,000,000 square millimeters
Other Metric Units
Convert to Hectares
1 a is equal to 0.01 hectares