Convert Square Meters to Square Kilometers

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

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Results in Square Kilometers:
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1 sq m = 1.0E-6 sq km

How to Convert Square Meters to Square Kilometers

conversion scale showing square meters and equivalent square kilometers area values

To convert a square meter measurement to a square kilometer measurement, multiply the area by the conversion ratio. One square meter is equal to 1.0E-6 square kilometers, so use this simple formula to convert:

square kilometers = square meters × 1.0E-6

The area in square kilometers is equal to the square meters multiplied by 1.0E-6.

For example, here's how to convert 5 square meters to square kilometers using the formula above.
5 sq m = (5 × 1.0E-6) = 5.0E-6 sq km

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

Square Meters

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

The square meter, or square metre, is the SI derived unit for area in the metric system. A square meter is sometimes also referred to as a square m. Square meters can be abbreviated as sq m, and are also sometimes abbreviated as . For example, 1 square meter can be written as 1 sq m or 1 m².

Try our square meters calculator to calculate the area of a space.

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.

Square Meter Measurements and Equivalent Square Kilometer Conversions

Common square meter values converted to the equivalent square kilometer value
Square Meters Square Kilometers
1 sq m 0.000001 sq km
2 sq m 0.000002 sq km
3 sq m 0.000003 sq km
4 sq m 0.000004 sq km
5 sq m 0.000005 sq km
6 sq m 0.000006 sq km
7 sq m 0.000007 sq km
8 sq m 0.000008 sq km
9 sq m 0.000009 sq km
10 sq m 0.00001 sq km
11 sq m 0.000011 sq km
12 sq m 0.000012 sq km
13 sq m 0.000013 sq km
14 sq m 0.000014 sq km
15 sq m 0.000015 sq km
16 sq m 0.000016 sq km
17 sq m 0.000017 sq km
18 sq m 0.000018 sq km
19 sq m 0.000019 sq km
20 sq m 0.00002 sq km
21 sq m 0.000021 sq km
22 sq m 0.000022 sq km
23 sq m 0.000023 sq km
24 sq m 0.000024 sq km
25 sq m 0.000025 sq km
26 sq m 0.000026 sq km
27 sq m 0.000027 sq km
28 sq m 0.000028 sq km
29 sq m 0.000029 sq km
30 sq m 0.00003 sq km
31 sq m 0.000031 sq km
32 sq m 0.000032 sq km
33 sq m 0.000033 sq km
34 sq m 0.000034 sq km
35 sq m 0.000035 sq km
36 sq m 0.000036 sq km
37 sq m 0.000037 sq km
38 sq m 0.000038 sq km
39 sq m 0.000039 sq km
40 sq m 0.00004 sq km

More Square Meter Area Conversions

US Customary
Convert to Square Miles
1 sq m is equal to 3.861E-7 square miles
Convert to Acres
1 sq m is equal to 0.000247 acres
Convert to Square Yards
1 sq m is equal to 1.19599 square yards
Convert to Square Feet
1 sq m is equal to 10.76391 square feet
Convert to Square Inches
1 sq m is equal to 1,550 square inches
SI Units
Convert to Square Centimeters
1 sq m is equal to 10,000 square centimeters
Convert to Square Millimeters
1 sq m is equal to 1,000,000 square millimeters
Other Metric Units
Convert to Hectares
1 sq m is equal to 0.0001 hectares
Convert to Ares
1 sq m is equal to 0.01 ares