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.
The square foot is a unit of area commonly used in the United States and some parts of Canada to measure spaces such as real estate, architecture, and interior design. One interesting fact about the square foot is that it originated from the Roman “pes,” or foot, which in ancient times was roughly 11.65 inches but has evolved into the standardized 12-inch foot we know today. The Roman builders’ influence is still evident as the technology advanced, yet the measurement conventions from thousands of years ago persist.
A square foot can tell fascinating stories about the world around you; for example, did you know that the average human adult has around 20 square feet of skin? Or that the Guinness World Record for the largest pizza ever baked covered an astounding 13,580 square feet? These unique perspectives add intriguing dimensions to our understanding of space, showcasing just how versatile and historically rich this seemingly simple unit of measure can be.
| Square Miles | Square Feet |
|---|---|
0
mi²
|
0
ft²
|
0.1
mi²
|
2787840
ft²
|
0.2
mi²
|
5575680
ft²
|
0.3
mi²
|
8363520
ft²
|
0.4
mi²
|
1.11514e+7
ft²
|
0.5
mi²
|
1.39392e+7
ft²
|
0.6
mi²
|
1.6727e+7
ft²
|
0.7
mi²
|
1.95149e+7
ft²
|
0.8
mi²
|
2.23027e+7
ft²
|
0.9
mi²
|
2.50906e+7
ft²
|
1
mi²
|
2.78784e+7
ft²
|
1.1
mi²
|
3.06662e+7
ft²
|
1.2
mi²
|
3.34541e+7
ft²
|
1.3
mi²
|
3.62419e+7
ft²
|
1.4
mi²
|
3.90298e+7
ft²
|
1.5
mi²
|
4.18176e+7
ft²
|
1.6
mi²
|
4.46054e+7
ft²
|
1.7
mi²
|
4.73933e+7
ft²
|
1.8
mi²
|
5.01811e+7
ft²
|
1.9
mi²
|
5.2969e+7
ft²
|
2
mi²
|
5.57568e+7
ft²
|
2.1
mi²
|
5.85446e+7
ft²
|
2.2
mi²
|
6.13325e+7
ft²
|
2.3
mi²
|
6.41203e+7
ft²
|
2.4
mi²
|
6.69082e+7
ft²
|
2.5
mi²
|
6.9696e+7
ft²
|
2.6
mi²
|
7.24838e+7
ft²
|
2.7
mi²
|
7.52717e+7
ft²
|
2.8
mi²
|
7.80595e+7
ft²
|
2.9
mi²
|
8.08474e+7
ft²
|
3
mi²
|
8.36352e+7
ft²
|
3.1
mi²
|
8.6423e+7
ft²
|
3.2
mi²
|
8.92109e+7
ft²
|
3.3
mi²
|
9.19987e+7
ft²
|
3.4
mi²
|
9.47866e+7
ft²
|
3.5
mi²
|
9.75744e+7
ft²
|
3.6
mi²
|
1.00362e+8
ft²
|
3.7
mi²
|
1.0315e+8
ft²
|
3.8
mi²
|
1.05938e+8
ft²
|
3.9
mi²
|
1.08726e+8
ft²
|
4
mi²
|
1.11514e+8
ft²
|
4.1
mi²
|
1.14301e+8
ft²
|
4.2
mi²
|
1.17089e+8
ft²
|
4.3
mi²
|
1.19877e+8
ft²
|
4.4
mi²
|
1.22665e+8
ft²
|
4.5
mi²
|
1.25453e+8
ft²
|
4.6
mi²
|
1.28241e+8
ft²
|
4.7
mi²
|
1.31028e+8
ft²
|
4.8
mi²
|
1.33816e+8
ft²
|
4.9
mi²
|
1.36604e+8
ft²
|
5
mi²
|
1.39392e+8
ft²
|
5.1
mi²
|
1.4218e+8
ft²
|
5.2
mi²
|
1.44968e+8
ft²
|
5.3
mi²
|
1.47756e+8
ft²
|
5.4
mi²
|
1.50543e+8
ft²
|
5.5
mi²
|
1.53331e+8
ft²
|
5.6
mi²
|
1.56119e+8
ft²
|
5.7
mi²
|
1.58907e+8
ft²
|
5.8
mi²
|
1.61695e+8
ft²
|
5.9
mi²
|
1.64483e+8
ft²
|
6
mi²
|
1.6727e+8
ft²
|
6.1
mi²
|
1.70058e+8
ft²
|
6.2
mi²
|
1.72846e+8
ft²
|
6.3
mi²
|
1.75634e+8
ft²
|
6.4
mi²
|
1.78422e+8
ft²
|
6.5
mi²
|
1.8121e+8
ft²
|
6.6
mi²
|
1.83997e+8
ft²
|
6.7
mi²
|
1.86785e+8
ft²
|
6.8
mi²
|
1.89573e+8
ft²
|
6.9
mi²
|
1.92361e+8
ft²
|
7
mi²
|
1.95149e+8
ft²
|
7.1
mi²
|
1.97937e+8
ft²
|
7.2
mi²
|
2.00724e+8
ft²
|
7.3
mi²
|
2.03512e+8
ft²
|
7.4
mi²
|
2.063e+8
ft²
|
7.5
mi²
|
2.09088e+8
ft²
|
7.6
mi²
|
2.11876e+8
ft²
|
7.7
mi²
|
2.14664e+8
ft²
|
7.8
mi²
|
2.17452e+8
ft²
|
7.9
mi²
|
2.20239e+8
ft²
|
8
mi²
|
2.23027e+8
ft²
|
8.1
mi²
|
2.25815e+8
ft²
|
8.2
mi²
|
2.28603e+8
ft²
|
8.3
mi²
|
2.31391e+8
ft²
|
8.4
mi²
|
2.34179e+8
ft²
|
8.5
mi²
|
2.36966e+8
ft²
|
8.6
mi²
|
2.39754e+8
ft²
|
8.7
mi²
|
2.42542e+8
ft²
|
8.8
mi²
|
2.4533e+8
ft²
|
8.9
mi²
|
2.48118e+8
ft²
|
9
mi²
|
2.50906e+8
ft²
|
9.1
mi²
|
2.53693e+8
ft²
|
9.2
mi²
|
2.56481e+8
ft²
|
9.3
mi²
|
2.59269e+8
ft²
|
9.4
mi²
|
2.62057e+8
ft²
|
9.5
mi²
|
2.64845e+8
ft²
|
9.6
mi²
|
2.67633e+8
ft²
|
9.7
mi²
|
2.7042e+8
ft²
|
9.8
mi²
|
2.73208e+8
ft²
|
9.9
mi²
|
2.75996e+8
ft²
|
10
mi²
|
2.78784e+8
ft²
|
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