Convert Square Miles
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 1 sq mi.
Square Mile Conversion Calculators
Choose an imperial or metric unit to convert square miles to.
- Convert square miles to acres
- 1 square mile is equal to 640 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
We have many more area conversion tools that you might also find useful. You might also be interested in our area calculator.
Square Miles Measurement Conversion Table
| square miles | acres | square yards | square feet | square inches | square kilometers | hectares | ares | square meters | square centimeters | square millimeters |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 sq mi | 640 ac | 3,097,600 sq yd | 27,878,400 sq ft | 4,014,489,599 sq in | 2.589988 sq km | 258.998811 ha | 25,900 a | 2,589,988 sq m | 25,899,881,100 sq cm | 2,589,988,110,000 sq mm |
| 2 sq mi | 1,280 ac | 6,195,200 sq yd | 55,756,800 sq ft | 8,028,979,199 sq in | 5.179976 sq km | 517.997622 ha | 51,800 a | 5,179,976 sq m | 51,799,762,200 sq cm | 5,179,976,220,000 sq mm |
| 3 sq mi | 1,920 ac | 9,292,800 sq yd | 83,635,200 sq ft | 12,043,468,798 sq in | 7.769964 sq km | 776.996433 ha | 77,700 a | 7,769,964 sq m | 77,699,643,300 sq cm | 7,769,964,330,000 sq mm |
| 4 sq mi | 2,560 ac | 12,390,400 sq yd | 111,513,600 sq ft | 16,057,958,398 sq in | 10.359952 sq km | 1,036 ha | 103,600 a | 10,359,952 sq m | 103,599,524,400 sq cm | 10,359,952,440,000 sq mm |
| 5 sq mi | 3,200 ac | 15,488,000 sq yd | 139,392,000 sq ft | 20,072,447,997 sq in | 12.949941 sq km | 1,295 ha | 129,499 a | 12,949,941 sq m | 129,499,405,500 sq cm | 12,949,940,550,000 sq mm |
| 6 sq mi | 3,840 ac | 18,585,600 sq yd | 167,270,400 sq ft | 24,086,937,597 sq in | 15.539929 sq km | 1,554 ha | 155,399 a | 15,539,929 sq m | 155,399,286,600 sq cm | 15,539,928,660,000 sq mm |
| 7 sq mi | 4,480 ac | 21,683,200 sq yd | 195,148,800 sq ft | 28,101,427,196 sq in | 18.129917 sq km | 1,813 ha | 181,299 a | 18,129,917 sq m | 181,299,167,700 sq cm | 18,129,916,770,000 sq mm |
| 8 sq mi | 5,120 ac | 24,780,800 sq yd | 223,027,200 sq ft | 32,115,916,796 sq in | 20.719905 sq km | 2,072 ha | 207,199 a | 20,719,905 sq m | 207,199,048,800 sq cm | 20,719,904,880,000 sq mm |
| 9 sq mi | 5,760 ac | 27,878,400 sq yd | 250,905,600 sq ft | 36,130,406,395 sq in | 23.309893 sq km | 2,331 ha | 233,099 a | 23,309,893 sq m | 233,098,929,900 sq cm | 23,309,892,990,000 sq mm |
| 10 sq mi | 6,400 ac | 30,976,000 sq yd | 278,784,000 sq ft | 40,144,895,995 sq in | 25.899881 sq km | 2,590 ha | 258,999 a | 25,899,881 sq m | 258,998,811,000 sq cm | 25,899,881,100,000 sq mm |
| 11 sq mi | 7,040 ac | 34,073,600 sq yd | 306,662,400 sq ft | 44,159,385,594 sq in | 28.489869 sq km | 2,849 ha | 284,899 a | 28,489,869 sq m | 284,898,692,100 sq cm | 28,489,869,210,000 sq mm |
| 12 sq mi | 7,680 ac | 37,171,200 sq yd | 334,540,800 sq ft | 48,173,875,194 sq in | 31.079857 sq km | 3,108 ha | 310,799 a | 31,079,857 sq m | 310,798,573,200 sq cm | 31,079,857,320,000 sq mm |
| 13 sq mi | 8,320 ac | 40,268,800 sq yd | 362,419,200 sq ft | 52,188,364,793 sq in | 33.669845 sq km | 3,367 ha | 336,698 a | 33,669,845 sq m | 336,698,454,300 sq cm | 33,669,845,430,000 sq mm |
| 14 sq mi | 8,960 ac | 43,366,400 sq yd | 390,297,600 sq ft | 56,202,854,393 sq in | 36.259834 sq km | 3,626 ha | 362,598 a | 36,259,834 sq m | 362,598,335,400 sq cm | 36,259,833,540,000 sq mm |
| 15 sq mi | 9,600 ac | 46,464,000 sq yd | 418,176,000 sq ft | 60,217,343,992 sq in | 38.849822 sq km | 3,885 ha | 388,498 a | 38,849,822 sq m | 388,498,216,500 sq cm | 38,849,821,650,000 sq mm |
| 16 sq mi | 10,240 ac | 49,561,600 sq yd | 446,054,400 sq ft | 64,231,833,592 sq in | 41.43981 sq km | 4,144 ha | 414,398 a | 41,439,810 sq m | 414,398,097,600 sq cm | 41,439,809,760,000 sq mm |
| 17 sq mi | 10,880 ac | 52,659,200 sq yd | 473,932,800 sq ft | 68,246,323,191 sq in | 44.029798 sq km | 4,403 ha | 440,298 a | 44,029,798 sq m | 440,297,978,700 sq cm | 44,029,797,870,000 sq mm |
| 18 sq mi | 11,520 ac | 55,756,800 sq yd | 501,811,200 sq ft | 72,260,812,791 sq in | 46.619786 sq km | 4,662 ha | 466,198 a | 46,619,786 sq m | 466,197,859,800 sq cm | 46,619,785,980,000 sq mm |
| 19 sq mi | 12,160 ac | 58,854,400 sq yd | 529,689,600 sq ft | 76,275,302,390 sq in | 49.209774 sq km | 4,921 ha | 492,098 a | 49,209,774 sq m | 492,097,740,900 sq cm | 49,209,774,090,000 sq mm |
| 20 sq mi | 12,800 ac | 61,952,000 sq yd | 557,568,000 sq ft | 80,289,791,990 sq in | 51.799762 sq km | 5,180 ha | 517,998 a | 51,799,762 sq m | 517,997,622,000 sq cm | 51,799,762,200,000 sq mm |
