Convert Square Kilometers to Ares

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

Results in Ares:
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1 sq km = 10,000 a

How to Convert Square Kilometers to Ares

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

To convert a square kilometer measurement to an are measurement, multiply the area by the conversion ratio. One square kilometer is equal to 10,000 ares, so use this simple formula to convert:

ares = square kilometers × 10,000

The area in ares is equal to the square kilometers multiplied by 10,000.

For example, here's how to convert 5 square kilometers to ares using the formula above.
5 sq km = (5 × 10,000) = 50,000 a

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

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.


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 Kilometer Measurements and Equivalent Are Conversions

Common square kilometer values converted to the equivalent are value
Square Kilometers Ares
1 sq km 10,000 a
2 sq km 20,000 a
3 sq km 30,000 a
4 sq km 40,000 a
5 sq km 50,000 a
6 sq km 60,000 a
7 sq km 70,000 a
8 sq km 80,000 a
9 sq km 90,000 a
10 sq km 100,000 a
11 sq km 110,000 a
12 sq km 120,000 a
13 sq km 130,000 a
14 sq km 140,000 a
15 sq km 150,000 a
16 sq km 160,000 a
17 sq km 170,000 a
18 sq km 180,000 a
19 sq km 190,000 a
20 sq km 200,000 a
21 sq km 210,000 a
22 sq km 220,000 a
23 sq km 230,000 a
24 sq km 240,000 a
25 sq km 250,000 a
26 sq km 260,000 a
27 sq km 270,000 a
28 sq km 280,000 a
29 sq km 290,000 a
30 sq km 300,000 a
31 sq km 310,000 a
32 sq km 320,000 a
33 sq km 330,000 a
34 sq km 340,000 a
35 sq km 350,000 a
36 sq km 360,000 a
37 sq km 370,000 a
38 sq km 380,000 a
39 sq km 390,000 a
40 sq km 400,000 a

More Square Kilometer Area Conversions

US Customary
Convert to Square Miles
1 sq km is equal to 0.386102 square miles
Convert to Acres
1 sq km is equal to 247.105381 acres
Convert to Square Yards
1 sq km is equal to 1,195,990 square yards
Convert to Square Feet
1 sq km is equal to 10,763,910.4 square feet
Convert to Square Inches
1 sq km is equal to 1,550,003,100 square inches
SI Units
Convert to Square Meters
1 sq km is equal to 1,000,000 square meters
Convert to Square Centimeters
1 sq km is equal to 10,000,000,000 square centimeters
Convert to Square Millimeters
1 sq km is equal to 1,000,000,000,000 square millimeters
Other Metric Units
Convert to Hectares
1 sq km is equal to 100 hectares