Square Kilometers to Square Miles

Square Kilometers to Square Miles conversion calculator

Square Miles to Square Kilometers (Swap units)

1km² = 0.3861mi²

Accuracy

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Square Kilometers to Square Miles conversion formula

Square Miles = Square Kilometers / 2.58998917

Square Kilometers to Square Miles calculation

Square Miles = Square Kilometers / 2.58998917

Square Miles = 1 / 2.5899891738453

Square Miles = 0.3861

What are Square Kilometers?

Square kilometers are units of area measurement in the metric system. A square kilometer is a unit of area equal to 1,000,000 square meters, or the area of a square with sides that are each 1 kilometer long. It is commonly used to measure large areas of land, such as countries or continents. For example, the total land area of Australia is approximately 7.7 million square kilometers.

How do you convert square kilometers to square miles?

To convert square kilometers to square miles, you can use the conversion factor of 1 square kilometer being equal to approximately 0.386 square miles. This conversion factor is derived from the fact that 1 kilometer is equal to 0.621 miles, and when squared to convert area, the conversion factor becomes 0.621 squared, which is approximately 0.386.

To perform the conversion, you simply need to multiply the number of square kilometers by 0.386 to obtain the equivalent area in square miles. For example, if you have an area of 100 square kilometers, you would multiply 100 by 0.386 to get 38.6 square miles. This conversion is particularly useful when working with maps, land area measurements, or any other situation where you need to convert between metric and imperial units of area.

What are Square Miles?

Square miles and hectares are both units of area measurement, but they belong to different systems of measurement. A square mile is a unit of area commonly used in the United States and the United Kingdom. It is equivalent to the area of a square with sides that are one mile long. One square mile is equal to 640 acres or approximately 2.59 square kilometers. Square miles are often used to measure large areas of land, such as states or countries.

Square miles and hectares are both important units of measurement for determining the size of land areas, with square miles being more common in the US and UK, while hectares are widely used in the metric system.

 

Square Kilometers to Square Miles table

Starting value
Increment
Accuracy
Square Kilometers
Square Miles
0km²
0.00000mi²
1km²
0.38610mi²
2km²
0.77220mi²
3km²
1.15831mi²
4km²
1.54441mi²
5km²
1.93051mi²
6km²
2.31661mi²
7km²
2.70271mi²
8km²
3.08882mi²
9km²
3.47492mi²
10km²
3.86102mi²
11km²
4.24712mi²
12km²
4.63322mi²
13km²
5.01933mi²
14km²
5.40543mi²
15km²
5.79153mi²
16km²
6.17763mi²
17km²
6.56373mi²
18km²
6.94984mi²
19km²
7.33594mi²
Square Kilometers
Square Miles
20km²
7.72204mi²
21km²
8.10814mi²
22km²
8.49424mi²
23km²
8.88035mi²
24km²
9.26645mi²
25km²
9.65255mi²
26km²
10.03865mi²
27km²
10.42475mi²
28km²
10.81086mi²
29km²
11.19696mi²
30km²
11.58306mi²
31km²
11.96916mi²
32km²
12.35526mi²
33km²
12.74137mi²
34km²
13.12747mi²
35km²
13.51357mi²
36km²
13.89967mi²
37km²
14.28577mi²
38km²
14.67188mi²
39km²
15.05798mi²
Square Kilometers
Square Miles
40km²
15.44408mi²
41km²
15.83018mi²
42km²
16.21628mi²
43km²
16.60239mi²
44km²
16.98849mi²
45km²
17.37459mi²
46km²
17.76069mi²
47km²
18.14679mi²
48km²
18.53290mi²
49km²
18.91900mi²
50km²
19.30510mi²
51km²
19.69120mi²
52km²
20.07730mi²
53km²
20.46341mi²
54km²
20.84951mi²
55km²
21.23561mi²
56km²
21.62171mi²
57km²
22.00781mi²
58km²
22.39392mi²
59km²
22.78002mi²
Square Kilometers
Square Miles
60km²
23.16612mi²
61km²
23.55222mi²
62km²
23.93832mi²
63km²
24.32443mi²
64km²
24.71053mi²
65km²
25.09663mi²
66km²
25.48273mi²
67km²
25.86883mi²
68km²
26.25494mi²
69km²
26.64104mi²
70km²
27.02714mi²
71km²
27.41324mi²
72km²
27.79934mi²
73km²
28.18545mi²
74km²
28.57155mi²
75km²
28.95765mi²
76km²
29.34375mi²
77km²
29.72985mi²
78km²
30.11596mi²
79km²
30.50206mi²

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