• mi²   km²
  •  
Rounding Mode:

The square mile, a unit of area unique to imperial and U.S. customary systems, is often associated with vast expanses of land, particularly in regions like the United States and Canada. Historically used to map territories and cities, the square mile encompasses an area equivalent to 640 acres. One particularly fascinating application of the square mile is in city planning: Manhattan, one of the world’s most densely populated areas, covers about 22.7 square miles yet houses over a million residents!

Another interesting aspect is the “square mile of influence”: cities like London have financial districts, each around one square mile, that wield immense global economic power. These districts, often referred to simply as “The City,” play crucial roles in shaping world markets, showing how a single square mile can be the epicenter of international financial activity.

Did you know?

The square kilometer is primarily used to quantify large areas of land. Fascinatingly, even though the metric system is standardized almost universally, the square kilometer remains one of the most significant units for various aspects of geography and urban planning. To put it in perspective, consider that the entire area of New York City’s Central Park measures approximately 3.41 square kilometers, which speaks volumes about its massive size within an urban environment.

Moreover, the square kilometer helps highlight the vastness of some of the world’s largest countries and cities. For instance, Russia, the largest country in the world, spans roughly 17 million square kilometers, showcasing the immense diversity and expanse of land that one country can encompass. This unit exemplifies the intriguing contrasts and scales of spaces we interact with globally.

> Miles² to Kilometers² Conversion Table

Square Miles Square Kilometers
0 mi² 0 km²
0.1 mi² 0.258999 km²
0.2 mi² 0.517998 km²
0.3 mi² 0.776997 km²
0.4 mi² 1.036 km²
0.5 mi² 1.295 km²
0.6 mi² 1.55399 km²
0.7 mi² 1.81299 km²
0.8 mi² 2.07199 km²
0.9 mi² 2.33099 km²
1 mi² 2.59 km²
1.1 mi² 2.84899 km²
1.2 mi² 3.10799 km²
1.3 mi² 3.36699 km²
1.4 mi² 3.62599 km²
1.5 mi² 3.88499 km²
1.6 mi² 4.14398 km²
1.7 mi² 4.40298 km²
1.8 mi² 4.66198 km²
1.9 mi² 4.92098 km²
2 mi² 5.17998 km²
2.1 mi² 5.43898 km²
2.2 mi² 5.69798 km²
2.3 mi² 5.95698 km²
2.4 mi² 6.21598 km²
2.5 mi² 6.47498 km²
2.6 mi² 6.73398 km²
2.7 mi² 6.99297 km²
2.8 mi² 7.25197 km²
2.9 mi² 7.51097 km²
3 mi² 7.76997 km²
3.1 mi² 8.02897 km²
3.2 mi² 8.28797 km²
3.3 mi² 8.54697 km²
3.4 mi² 8.80597 km²
3.5 mi² 9.06497 km²
3.6 mi² 9.32397 km²
3.7 mi² 9.58297 km²
3.8 mi² 9.84196 km²
3.9 mi² 10.10096 km²
4 mi² 10.35996 km²
4.1 mi² 10.61896 km²
4.2 mi² 10.87796 km²
4.3 mi² 11.13696 km²
4.4 mi² 11.39596 km²
4.5 mi² 11.65496 km²
4.6 mi² 11.91396 km²
4.7 mi² 12.17296 km²
4.8 mi² 12.43195 km²
4.9 mi² 12.69095 km²
5 mi² 12.94995 km²
5.1 mi² 13.20895 km²
5.2 mi² 13.46795 km²
5.3 mi² 13.72695 km²
5.4 mi² 13.98595 km²
5.5 mi² 14.24495 km²
5.6 mi² 14.50395 km²
5.7 mi² 14.76295 km²
5.8 mi² 15.02195 km²
5.9 mi² 15.28094 km²
6 mi² 15.53994 km²
6.1 mi² 15.79894 km²
6.2 mi² 16.05794 km²
6.3 mi² 16.31694 km²
6.4 mi² 16.57594 km²
6.5 mi² 16.83494 km²
6.6 mi² 17.09394 km²
6.7 mi² 17.35294 km²
6.8 mi² 17.61194 km²
6.9 mi² 17.87094 km²
7 mi² 18.12993 km²
7.1 mi² 18.38893 km²
7.2 mi² 18.64793 km²
7.3 mi² 18.90693 km²
7.4 mi² 19.16593 km²
7.5 mi² 19.42493 km²
7.6 mi² 19.68393 km²
7.7 mi² 19.94293 km²
7.8 mi² 20.20193 km²
7.9 mi² 20.46093 km²
8 mi² 20.71992 km²
8.1 mi² 20.97892 km²
8.2 mi² 21.23792 km²
8.3 mi² 21.49692 km²
8.4 mi² 21.75592 km²
8.5 mi² 22.01492 km²
8.6 mi² 22.27392 km²
8.7 mi² 22.53292 km²
8.8 mi² 22.79192 km²
8.9 mi² 23.05092 km²
9 mi² 23.30992 km²
9.1 mi² 23.56891 km²
9.2 mi² 23.82791 km²
9.3 mi² 24.08691 km²
9.4 mi² 24.34591 km²
9.5 mi² 24.60491 km²
9.6 mi² 24.86391 km²
9.7 mi² 25.12291 km²
9.8 mi² 25.38191 km²
9.9 mi² 25.64091 km²
10 mi² 25.9 km²