The US Survey Foot might seem like an unassuming unit, but it’s steeped in the very history of American land measurement. Unlike the International Foot, which is precisely defined as 0.3048 meters, the US Survey Foot is ever-so-slightly longer at approximately 0.3048006 meters. This minuscule difference stems from surveying practices established in the early 19th century and has historically been used for mapping and property delineation across the United States. Integral to the country’s westward expansion, the US Survey Foot played a pivotal role in the division and sale of public lands—underscoring its foundational impact on both real estate and infrastructure.
Despite its historical significance, the US Survey Foot was officially deprecated at the end of 2022, as the US moves towards a unified use of the International Foot for federal geodetic surveys. This transition simplifies engineering and scientific calculations, streamlining US standards with global practices. The legacy of the US Survey Foot, however, serves as a fascinating footnote in the story of American land development, marking an era when precise measurements charted the course of a growing nation.
The mile, an enduring testament to history, was standardized to 5,280 feet by Queen Elizabeth I in 1593, solidifying its place in the imperial system. Originally derived from the Latin “mille passus,” meaning “thousand paces,” it was based on a Roman soldier’s step. The mile’s influence extends beyond land, as it’s vital in navigation and aviation, where the nautical mile—1.1508 times longer—plays a crucial role in mapping the Earth’s curvature. In sports, the 4-minute mile remains a significant athletic achievement, first conquered by Roger Bannister in 1954, inspiring generations. This storied measure connects ancient military marches to modern athletic prowess and global exploration.
| US Survey Feet | Miles |
|---|---|
0
ft-us
|
0
mi
|
1
ft-us
|
0.000189394
mi
|
2
ft-us
|
0.000378789
mi
|
3
ft-us
|
0.000568183
mi
|
4
ft-us
|
0.000757577
mi
|
5
ft-us
|
0.000946972
mi
|
6
ft-us
|
0.00113637
mi
|
7
ft-us
|
0.00132576
mi
|
8
ft-us
|
0.00151515
mi
|
9
ft-us
|
0.00170455
mi
|
10
ft-us
|
0.00189394
mi
|
11
ft-us
|
0.00208334
mi
|
12
ft-us
|
0.00227273
mi
|
13
ft-us
|
0.00246213
mi
|
14
ft-us
|
0.00265152
mi
|
15
ft-us
|
0.00284091
mi
|
16
ft-us
|
0.00303031
mi
|
17
ft-us
|
0.0032197
mi
|
18
ft-us
|
0.0034091
mi
|
19
ft-us
|
0.00359849
mi
|
20
ft-us
|
0.00378789
mi
|
21
ft-us
|
0.00397728
mi
|
22
ft-us
|
0.00416668
mi
|
23
ft-us
|
0.00435607
mi
|
24
ft-us
|
0.00454546
mi
|
25
ft-us
|
0.00473486
mi
|
26
ft-us
|
0.00492425
mi
|
27
ft-us
|
0.00511365
mi
|
28
ft-us
|
0.00530304
mi
|
29
ft-us
|
0.00549244
mi
|
30
ft-us
|
0.00568183
mi
|
31
ft-us
|
0.00587122
mi
|
32
ft-us
|
0.00606062
mi
|
33
ft-us
|
0.00625001
mi
|
34
ft-us
|
0.00643941
mi
|
35
ft-us
|
0.0066288
mi
|
36
ft-us
|
0.0068182
mi
|
37
ft-us
|
0.00700759
mi
|
38
ft-us
|
0.00719698
mi
|
39
ft-us
|
0.00738638
mi
|
40
ft-us
|
0.00757577
mi
|
41
ft-us
|
0.00776517
mi
|
42
ft-us
|
0.00795456
mi
|
43
ft-us
|
0.00814396
mi
|
44
ft-us
|
0.00833335
mi
|
45
ft-us
|
0.00852274
mi
|
46
ft-us
|
0.00871214
mi
|
47
ft-us
|
0.00890153
mi
|
48
ft-us
|
0.00909093
mi
|
49
ft-us
|
0.00928032
mi
|
50
ft-us
|
0.00946972
mi
|
51
ft-us
|
0.00965911
mi
|
52
ft-us
|
0.0098485
mi
|
53
ft-us
|
0.0100379
mi
|
54
ft-us
|
0.0102273
mi
|
55
ft-us
|
0.0104167
mi
|
56
ft-us
|
0.0106061
mi
|
57
ft-us
|
0.0107955
mi
|
58
ft-us
|
0.0109849
mi
|
59
ft-us
|
0.0111743
mi
|
60
ft-us
|
0.0113637
mi
|
61
ft-us
|
0.0115531
mi
|
62
ft-us
|
0.0117424
mi
|
63
ft-us
|
0.0119318
mi
|
64
ft-us
|
0.0121212
mi
|
65
ft-us
|
0.0123106
mi
|
66
ft-us
|
0.0125
mi
|
67
ft-us
|
0.0126894
mi
|
68
ft-us
|
0.0128788
mi
|
69
ft-us
|
0.0130682
mi
|
70
ft-us
|
0.0132576
mi
|
71
ft-us
|
0.013447
mi
|
72
ft-us
|
0.0136364
mi
|
73
ft-us
|
0.0138258
mi
|
74
ft-us
|
0.0140152
mi
|
75
ft-us
|
0.0142046
mi
|
76
ft-us
|
0.014394
mi
|
77
ft-us
|
0.0145834
mi
|
78
ft-us
|
0.0147728
mi
|
79
ft-us
|
0.0149622
mi
|
80
ft-us
|
0.0151515
mi
|
81
ft-us
|
0.0153409
mi
|
82
ft-us
|
0.0155303
mi
|
83
ft-us
|
0.0157197
mi
|
84
ft-us
|
0.0159091
mi
|
85
ft-us
|
0.0160985
mi
|
86
ft-us
|
0.0162879
mi
|
87
ft-us
|
0.0164773
mi
|
88
ft-us
|
0.0166667
mi
|
89
ft-us
|
0.0168561
mi
|
90
ft-us
|
0.0170455
mi
|
91
ft-us
|
0.0172349
mi
|
92
ft-us
|
0.0174243
mi
|
93
ft-us
|
0.0176137
mi
|
94
ft-us
|
0.0178031
mi
|
95
ft-us
|
0.0179925
mi
|
96
ft-us
|
0.0181819
mi
|
97
ft-us
|
0.0183712
mi
|
98
ft-us
|
0.0185606
mi
|
99
ft-us
|
0.01875
mi
|
100
ft-us
|
0.0189394
mi
|
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