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.
Originating from the Old English word “geard,” the yard has historical roots in measuring land and property—dating back to when it was considered the average length of a stride. Interestingly, the yard as a standardized unit became more consistent with the rule of Henry I of England in the 12th century, who established it to be the distance from his nose to the thumb of his outstretched arm. Today, a yard is specifically defined as 0.9144 meters.
Yards are not only pivotal in everyday measurements, but they also play an iconic role in sports. For instance, American football and golf heavily rely on this unit for measuring distances on fields and courses, affecting strategies and outcomes. These unique uses showcase the yard’s adaptability across various fields.
| US Survey Feet | Yards |
|---|---|
0
ft-us
|
0
yd
|
1
ft-us
|
0.333334
yd
|
2
ft-us
|
0.666668
yd
|
3
ft-us
|
1
yd
|
4
ft-us
|
1.33334
yd
|
5
ft-us
|
1.66667
yd
|
6
ft-us
|
2
yd
|
7
ft-us
|
2.33334
yd
|
8
ft-us
|
2.66667
yd
|
9
ft-us
|
3.00001
yd
|
10
ft-us
|
3.33334
yd
|
11
ft-us
|
3.66667
yd
|
12
ft-us
|
4
yd
|
13
ft-us
|
4.33334
yd
|
14
ft-us
|
4.66668
yd
|
15
ft-us
|
5.00001
yd
|
16
ft-us
|
5.33334
yd
|
17
ft-us
|
5.66668
yd
|
18
ft-us
|
6.00001
yd
|
19
ft-us
|
6.33335
yd
|
20
ft-us
|
6.66668
yd
|
21
ft-us
|
7.00001
yd
|
22
ft-us
|
7.33335
yd
|
23
ft-us
|
7.66668
yd
|
24
ft-us
|
8.00002
yd
|
25
ft-us
|
8.33335
yd
|
26
ft-us
|
8.66668
yd
|
27
ft-us
|
9.00002
yd
|
28
ft-us
|
9.33335
yd
|
29
ft-us
|
9.66669
yd
|
30
ft-us
|
10.00002
yd
|
31
ft-us
|
10.33335
yd
|
32
ft-us
|
10.66669
yd
|
33
ft-us
|
11.00002
yd
|
34
ft-us
|
11.33336
yd
|
35
ft-us
|
11.66669
yd
|
36
ft-us
|
12.00002
yd
|
37
ft-us
|
12.33336
yd
|
38
ft-us
|
12.66669
yd
|
39
ft-us
|
13.00003
yd
|
40
ft-us
|
13.33336
yd
|
41
ft-us
|
13.66669
yd
|
42
ft-us
|
14.00003
yd
|
43
ft-us
|
14.33336
yd
|
44
ft-us
|
14.6667
yd
|
45
ft-us
|
15
yd
|
46
ft-us
|
15.33336
yd
|
47
ft-us
|
15.6667
yd
|
48
ft-us
|
16.00003
yd
|
49
ft-us
|
16.33337
yd
|
50
ft-us
|
16.6667
yd
|
51
ft-us
|
17.00003
yd
|
52
ft-us
|
17.33337
yd
|
53
ft-us
|
17.6667
yd
|
54
ft-us
|
18.00004
yd
|
55
ft-us
|
18.33337
yd
|
56
ft-us
|
18.6667
yd
|
57
ft-us
|
19.00004
yd
|
58
ft-us
|
19.33337
yd
|
59
ft-us
|
19.66671
yd
|
60
ft-us
|
20.00004
yd
|
61
ft-us
|
20.33337
yd
|
62
ft-us
|
20.66671
yd
|
63
ft-us
|
21.00004
yd
|
64
ft-us
|
21.33338
yd
|
65
ft-us
|
21.66671
yd
|
66
ft-us
|
22.00004
yd
|
67
ft-us
|
22.33338
yd
|
68
ft-us
|
22.66671
yd
|
69
ft-us
|
23.00005
yd
|
70
ft-us
|
23.33338
yd
|
71
ft-us
|
23.66671
yd
|
72
ft-us
|
24.00005
yd
|
73
ft-us
|
24.33338
yd
|
74
ft-us
|
24.66672
yd
|
75
ft-us
|
25
yd
|
76
ft-us
|
25.33338
yd
|
77
ft-us
|
25.66672
yd
|
78
ft-us
|
26.00005
yd
|
79
ft-us
|
26.33339
yd
|
80
ft-us
|
26.66672
yd
|
81
ft-us
|
27.00005
yd
|
82
ft-us
|
27.33339
yd
|
83
ft-us
|
27.66672
yd
|
84
ft-us
|
28.00006
yd
|
85
ft-us
|
28.33339
yd
|
86
ft-us
|
28.66672
yd
|
87
ft-us
|
29.00006
yd
|
88
ft-us
|
29.33339
yd
|
89
ft-us
|
29.66673
yd
|
90
ft-us
|
30
yd
|
91
ft-us
|
30.33339
yd
|
92
ft-us
|
30.66673
yd
|
93
ft-us
|
31.00006
yd
|
94
ft-us
|
31.3334
yd
|
95
ft-us
|
31.66673
yd
|
96
ft-us
|
32.00006
yd
|
97
ft-us
|
32.3334
yd
|
98
ft-us
|
32.66673
yd
|
99
ft-us
|
33.00007
yd
|
100
ft-us
|
33.3334
yd
|
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