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 acre, a unit of area commonly used in the United States and the United Kingdom, traces its origins back to the Middle Ages. Historically, it was defined as the amount of land that could be plowed by a yoke of oxen in one day. Today, one acre is standardized to be exactly 43,560 square feet. To put that into perspective, an acre is roughly the size of an American football field, minus the end zones.
Interestingly, the term “acre” is derived from the Old English word “æcer,” meaning open field. Though primarily used in agriculture and land measurement, the acre is still employed in real estate to describe large residential or commercial properties, reflecting its enduring utility in real-world applications.
| Square Miles | Acres |
|---|---|
0
mi²
|
0
ac
|
0.1
mi²
|
64
ac
|
0.2
mi²
|
128
ac
|
0.3
mi²
|
192
ac
|
0.4
mi²
|
256
ac
|
0.5
mi²
|
320
ac
|
0.6
mi²
|
384
ac
|
0.7
mi²
|
448
ac
|
0.8
mi²
|
512
ac
|
0.9
mi²
|
576
ac
|
1
mi²
|
640
ac
|
1.1
mi²
|
704
ac
|
1.2
mi²
|
768
ac
|
1.3
mi²
|
832
ac
|
1.4
mi²
|
896
ac
|
1.5
mi²
|
960
ac
|
1.6
mi²
|
1024
ac
|
1.7
mi²
|
1088
ac
|
1.8
mi²
|
1152
ac
|
1.9
mi²
|
1216
ac
|
2
mi²
|
1280
ac
|
2.1
mi²
|
1344
ac
|
2.2
mi²
|
1408
ac
|
2.3
mi²
|
1472
ac
|
2.4
mi²
|
1536
ac
|
2.5
mi²
|
1600
ac
|
2.6
mi²
|
1664
ac
|
2.7
mi²
|
1728
ac
|
2.8
mi²
|
1792
ac
|
2.9
mi²
|
1856
ac
|
3
mi²
|
1920
ac
|
3.1
mi²
|
1984
ac
|
3.2
mi²
|
2048
ac
|
3.3
mi²
|
2112
ac
|
3.4
mi²
|
2176
ac
|
3.5
mi²
|
2240
ac
|
3.6
mi²
|
2304
ac
|
3.7
mi²
|
2368
ac
|
3.8
mi²
|
2432
ac
|
3.9
mi²
|
2496
ac
|
4
mi²
|
2560
ac
|
4.1
mi²
|
2624
ac
|
4.2
mi²
|
2688
ac
|
4.3
mi²
|
2752
ac
|
4.4
mi²
|
2816
ac
|
4.5
mi²
|
2880
ac
|
4.6
mi²
|
2944
ac
|
4.7
mi²
|
3008
ac
|
4.8
mi²
|
3072
ac
|
4.9
mi²
|
3136
ac
|
5
mi²
|
3200
ac
|
5.1
mi²
|
3264
ac
|
5.2
mi²
|
3328
ac
|
5.3
mi²
|
3392
ac
|
5.4
mi²
|
3456
ac
|
5.5
mi²
|
3520
ac
|
5.6
mi²
|
3584
ac
|
5.7
mi²
|
3648
ac
|
5.8
mi²
|
3712
ac
|
5.9
mi²
|
3776
ac
|
6
mi²
|
3840
ac
|
6.1
mi²
|
3904
ac
|
6.2
mi²
|
3968
ac
|
6.3
mi²
|
4032
ac
|
6.4
mi²
|
4096
ac
|
6.5
mi²
|
4160
ac
|
6.6
mi²
|
4224
ac
|
6.7
mi²
|
4288
ac
|
6.8
mi²
|
4352
ac
|
6.9
mi²
|
4416
ac
|
7
mi²
|
4480
ac
|
7.1
mi²
|
4544
ac
|
7.2
mi²
|
4608
ac
|
7.3
mi²
|
4672
ac
|
7.4
mi²
|
4736
ac
|
7.5
mi²
|
4800
ac
|
7.6
mi²
|
4864
ac
|
7.7
mi²
|
4928
ac
|
7.8
mi²
|
4992
ac
|
7.9
mi²
|
5056
ac
|
8
mi²
|
5120
ac
|
8.1
mi²
|
5184
ac
|
8.2
mi²
|
5248
ac
|
8.3
mi²
|
5312
ac
|
8.4
mi²
|
5376
ac
|
8.5
mi²
|
5440
ac
|
8.6
mi²
|
5504
ac
|
8.7
mi²
|
5568
ac
|
8.8
mi²
|
5632
ac
|
8.9
mi²
|
5696
ac
|
9
mi²
|
5760
ac
|
9.1
mi²
|
5824
ac
|
9.2
mi²
|
5888
ac
|
9.3
mi²
|
5952
ac
|
9.4
mi²
|
6016
ac
|
9.5
mi²
|
6080
ac
|
9.6
mi²
|
6144
ac
|
9.7
mi²
|
6208
ac
|
9.8
mi²
|
6272
ac
|
9.9
mi²
|
6336
ac
|
10
mi²
|
6400
ac
|
If you like the website, share it on social media.