Square Mile to Square Kilometer Conversion (mi² to km²)

Please enter square mile (mi²) value of area unit to convert square mile to square kilometer.

How Many Square Kilometer in a Square Mile?

There are 2.58998811 square kilometer in a square mile.
1 Square Mile is equal to 2.58998811 Square Kilometer.
1 mi² = 2.58998811 km²

Square Mile Definition

As a unit of area, a square mile is used around the world in those countries who traditionally utilize the Imperial or the US customary measurement system. One square mile is equal to a square-shape area with one mile at every side. This unit is used for measuring large areas and territories. One square mile is equal to 640 acres or 27,878,400 square feet, and in metric system one square mile is equal to 2.589988110336 square kilometers.

Convert Square Mile

Square Kilometer Definition

A square kilometer is a unit of surface area allowing measuring quite large areas. It is one of the base SI units used widely in all countries of the world to measure large territories like the ones of a country, a region, and so on. In order to understand what one square kilometer is one can imagine the area of the Jerusalem Old City or the area of Rio de Los Angeles State Park in California. This unit is equal to 100 hectares and has an internationally accepted symbol of km2.

Convert Square Kilometer

About mi² to km² Converter

This is a very easy to use square mile to square kilometer converter. First of all just type the square mile (mi²) value in the text field of the conversion form to start converting mi² to km², then select the decimals value and finally hit convert button if auto calculation didn't work. Square Kilometer value will be converted automatically as you type.

The decimals value is the number of digits to be calculated or rounded of the result of square mile to square kilometer conversion.

You can also check the square mile to square kilometer conversion chart below, or go back to square mile to square kilometer converter to top.

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Square Mile to Square Kilometer Conversion Examples

1 mi² = 2.58998811 Square Kilometer

Example for 3 Square Mile: 
3 Square Mile = 3 (Square Mile) 
3 Square Mile = 3 x (2.58998811 Square Kilometer) 
3 Square Mile = 7.76996433 Square Kilometer 

Example for 28 Square Mile: 
28 Square Mile = 28 (Square Mile) 
28 Square Mile = 28 x (2.58998811 Square Kilometer) 
28 Square Mile = 72.51966708 Square Kilometer 

Example for 6.25 Square Mile: 
6.25 Square Mile = 6.25 (Square Mile) 
6.25 Square Mile = 6.25 x (2.58998811 Square Kilometer) 
6.25 Square Mile = 16.1874256875 Square Kilometer 

Square Mile to Square Kilometer Conversion Chart

Square MileSquare Kilometer
1 mi²2.58998811 km²
2 mi²5.17997622 km²
3 mi²7.76996433 km²
4 mi²10.35995244 km²
5 mi²12.94994055 km²
6 mi²15.53992866 km²
7 mi²18.12991677 km²
8 mi²20.71990488 km²
9 mi²23.30989299 km²
10 mi²25.8998811 km²
11 mi²28.48986921 km²
12 mi²31.07985732 km²
13 mi²33.66984543 km²
14 mi²36.25983354 km²
15 mi²38.84982165 km²
16 mi²41.43980976 km²
17 mi²44.02979787 km²
18 mi²46.61978598 km²
19 mi²49.20977409 km²
20 mi²51.7997622 km²
21 mi²54.38975031 km²
22 mi²56.97973842 km²
23 mi²59.56972653 km²
24 mi²62.15971464 km²
25 mi²64.74970275 km²
26 mi²67.33969086 km²
27 mi²69.92967897 km²
28 mi²72.51966708 km²
29 mi²75.10965519 km²
30 mi²77.6996433 km²
31 mi²80.28963141 km²
32 mi²82.87961952 km²
33 mi²85.46960763 km²
34 mi²88.05959574 km²
35 mi²90.64958385 km²
36 mi²93.23957196 km²
37 mi²95.82956007 km²
38 mi²98.41954818 km²
39 mi²101.00953629 km²
40 mi²103.5995244 km²
41 mi²106.18951251 km²
42 mi²108.77950062 km²
43 mi²111.36948873 km²
44 mi²113.95947684 km²
45 mi²116.54946495 km²
46 mi²119.13945306 km²
47 mi²121.72944117 km²
48 mi²124.31942928 km²
49 mi²126.90941739 km²
50 mi²129.4994055 km²
Square MileSquare Kilometer
50 mi²129.4994055 km²
55 mi²142.44934605 km²
60 mi²155.3992866 km²
65 mi²168.34922715 km²
70 mi²181.2991677 km²
75 mi²194.24910825 km²
80 mi²207.1990488 km²
85 mi²220.14898935 km²
90 mi²233.0989299 km²
95 mi²246.04887045 km²
100 mi²258.998811 km²
105 mi²271.94875155 km²
110 mi²284.8986921 km²
115 mi²297.84863265 km²
120 mi²310.7985732 km²
125 mi²323.74851375 km²
130 mi²336.6984543 km²
135 mi²349.64839485 km²
140 mi²362.5983354 km²
145 mi²375.54827595 km²
150 mi²388.4982165 km²
155 mi²401.44815705 km²
160 mi²414.3980976 km²
165 mi²427.34803815 km²
170 mi²440.2979787 km²
175 mi²453.24791925 km²
180 mi²466.1978598 km²
185 mi²479.14780035 km²
190 mi²492.0977409 km²
195 mi²505.04768145 km²
200 mi²517.997622 km²
205 mi²530.94756255 km²
210 mi²543.8975031 km²
215 mi²556.84744365 km²
220 mi²569.7973842 km²
225 mi²582.74732475 km²
230 mi²595.6972653 km²
235 mi²608.64720585 km²
240 mi²621.5971464 km²
245 mi²634.54708695 km²
250 mi²647.4970275 km²
255 mi²660.44696805 km²
260 mi²673.3969086 km²
265 mi²686.34684915 km²
270 mi²699.2967897 km²
275 mi²712.24673025 km²
280 mi²725.1966708 km²
285 mi²738.14661135 km²
290 mi²751.0965519 km²
295 mi²764.04649245 km²

Square Mile to Square Kilometer Common Values

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