Square Miles to Square Kilometers Conversion

1 Square mile = 2.58998811 km²

Quick Lookup (Round: 2). mi² to km²

mi² 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 300 305 310 315 320 325 330 335 340 345 350 355 360 365 370 375 380 385 390 395 400 450 500 550 600 650 700 750 800 850 900 950 1000 1250 1500 2000 3000 4000 5000 6000 7000 8000 9000 10000
km² 2.59 12.95 25.9 38.85 51.8 64.75 77.7 90.65 103.6 116.55 129.5 142.45 155.4 168.35 181.3 194.25 207.2 220.15 233.1 246.05 259 271.95 284.9 297.85 310.8 323.75 336.7 349.65 362.6 375.55 388.5 401.45 414.4 427.35 440.3 453.25 466.2 479.15 492.1 505.05 518 530.95 543.9 556.85 569.8 582.75 595.7 608.65 621.6 634.55 647.5 660.45 673.4 686.35 699.3 712.25 725.2 738.15 751.1 764.05 777 789.95 802.9 815.85 828.8 841.75 854.7 867.65 880.6 893.55 906.5 919.45 932.4 945.35 958.3 971.25 984.2 997.15 1010.1 1023.05 1036 1165.49 1294.99 1424.49 1553.99 1683.49 1812.99 1942.49 2071.99 2201.49 2330.99 2460.49 2589.99 3237.49 3884.98 5179.98 7769.96 10359.95 12949.94 15539.93 18129.92 20719.9 23309.89 25899.88
Round:
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How many square kilometers in a square mile?

1 Square mile is equal to 2.58998811 square km (km²). 1 Square kilometer is equal to 0.386102159 square mile (mi²).

1 Square Mile = 2.58998811 Square Kilometers
1 Square Kilometer = 0.386102159 Square Mile

If you would like to convert from square kilometers to square miles and also get more information and access the tables please check square kilometers to square miles converter page.

How to convert from square miles to square kilometers?

There are 2.58998811 square kilometers in 1 square mile. To convert from square miles to square kilometers, as a formula multiply the square mile value by 2.58998811.

For example, to find out how many square kilometers there are in 100 square miles, as a formula to convert from square miles to square kilometers multiply the square mile value by 2.58998811, that makes 100 * 2.58998811 = 258.99 square kilometers in 100 square miles.

You may also use this area units conversion tool to convert between square miles, square kilometers and all area measurement units.

How to calculate an Area in Square Miles?

To calculate an area in square miles, multiply the length by the width in miles.

Area = Length × Width

For example, to calculate an area of a 5x25 field in miles, multiply 5 by 25, that makes 125 square miles. To calculate the same area in square kilometers, multiply the result by 2.58998811. You may also use the conversion calculator above to calculate the area in both square kilometers and square miles by entering the length and the width in miles.

What is a Square Mile?

Square mile is an imperial and US Customary area unit. 1 Square mile is equal to 2.58998811 square kilometers. The symbol is "mi2".

What is a Square Kilometer?

Square kilometer (kilometre) is a metric system area unit. 1 Square kilometer is equal to 0.386102159 square mile. The symbol is "km2".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.