Convert Square Miles
What would you like to convert square miles to? You may choose an imperial or metric unit.
Convert square miles to acres
1 square mile is equal to 640.004929 acres
Convert square miles to square yards
1 square mile is equal to 3,097,600 square yards
Convert square miles to square feet
1 square mile is equal to 27,878,400 square feet
Convert square miles to square inches
1 square mile is equal to 4,014,489,599 square inches
Convert square miles to square kilometers
1 square mile is equal to 2.589988 square kilometers
Convert square miles to hectares
1 square mile is equal to 258.998811 hectares
Convert square miles to ares
1 square mile is equal to 25,900 ares
Convert square miles to square meters
1 square mile is equal to 2,589,988 square meters
Convert square miles to square centimeters
1 square mile is equal to 25,899,881,100 square centimeters
Convert square miles to square millimeters
1 square mile is equal to 2,589,988,110,000 square millimeters
Square miles are a measure of area.
Square mile is an imperial unit of measure and can be abbreviated as sq mi . For example 1 square mile can be written as 1sq mi.
Learn more about area and
find more unit of measurement conversion tools on the area measurement conversion page .
Square Miles Measurement Conversion Table
Common square mile values and equivalent imperial and metric area measurements
square miles
acres
square yards
square feet
square inches
square kilometers
hectares
ares
square meters
square centimeters
square millimeters
1
640.004929
3,097,600
27,878,400
4,014,489,599
2.589988
258.998811
25,900
2,589,988
25,899,881,100
2,589,988,110,000
2
1,280
6,195,200
55,756,800
8,028,979,199
5.179976
517.997622
51,800
5,179,976
51,799,762,200
5,179,976,220,000
3
1,920
9,292,800
83,635,200
12,043,468,798
7.769964
776.996433
77,700
7,769,964
77,699,643,300
7,769,964,330,000
4
2,560
12,390,400
111,513,600
16,057,958,398
10.359952
1,036
103,600
10,359,952
103,599,524,400
10,359,952,440,000
5
3,200
15,488,000
139,392,000
20,072,447,997
12.949941
1,295
129,499
12,949,941
129,499,405,500
12,949,940,550,000
6
3,840
18,585,600
167,270,400
24,086,937,597
15.539929
1,554
155,399
15,539,929
155,399,286,600
15,539,928,660,000
7
4,480
21,683,200
195,148,800
28,101,427,196
18.129917
1,813
181,299
18,129,917
181,299,167,700
18,129,916,770,000
8
5,120
24,780,800
223,027,200
32,115,916,796
20.719905
2,072
207,199
20,719,905
207,199,048,800
20,719,904,880,000
9
5,760
27,878,400
250,905,600
36,130,406,395
23.309893
2,331
233,099
23,309,893
233,098,929,900
23,309,892,990,000
10
6,400
30,976,000
278,784,000
40,144,895,995
25.899881
2,590
258,999
25,899,881
258,998,811,000
25,899,881,100,000
11
7,040
34,073,600
306,662,400
44,159,385,594
28.489869
2,849
284,899
28,489,869
284,898,692,100
28,489,869,210,000
12
7,680
37,171,200
334,540,800
48,173,875,194
31.079857
3,108
310,799
31,079,857
310,798,573,200
31,079,857,320,000
13
8,320
40,268,800
362,419,200
52,188,364,793
33.669845
3,367
336,698
33,669,845
336,698,454,300
33,669,845,430,000
14
8,960
43,366,400
390,297,600
56,202,854,393
36.259834
3,626
362,598
36,259,834
362,598,335,400
36,259,833,540,000
15
9,600
46,464,000
418,176,000
60,217,343,992
38.849822
3,885
388,498
38,849,822
388,498,216,500
38,849,821,650,000
16
10,240
49,561,600
446,054,400
64,231,833,592
41.43981
4,144
414,398
41,439,810
414,398,097,600
41,439,809,760,000
17
10,880
52,659,200
473,932,800
68,246,323,191
44.029798
4,403
440,298
44,029,798
440,297,978,700
44,029,797,870,000
18
11,520
55,756,800
501,811,200
72,260,812,791
46.619786
4,662
466,198
46,619,786
466,197,859,800
46,619,785,980,000
19
12,160
58,854,400
529,689,600
76,275,302,390
49.209774
4,921
492,098
49,209,774
492,097,740,900
49,209,774,090,000
20
12,800
61,952,000
557,568,000
80,289,791,990
51.799762
5,180
517,998
51,799,762
517,997,622,000
51,799,762,200,000
