The “foot” as a unit of measurement has an intriguing history, tracing back to ancient civilizations. Originating in Egypt, it spread through Greece to the Roman Empire, where it was standardized and became a significant part of their measurement system. The length of the foot, approximately 12 inches, was traditionally based on the average length of a man’s foot, rendering it a highly practical unit for everyday measurements before the metric system revolution.
Interestingly, in the 12th century, King Henry I of England attempted to standardize the unit by defining a yard as the distance from the tip of his nose to the end of his thumb, indirectly influencing the definition of the foot. This highlights the foot’s historical flexibility and cultural significance, serving as a testament to human ingenuity in adapting measurement systems to suit societal needs.
The fathom, an intriguing unit of length measurement, is primarily used in nautical contexts to measure water depth. Originally derived from the Old English word “fæðm,” meaning “to embrace,” it represents the span of a person’s outstretched arms, approximately six feet. This makes it a convenient measurement for sailors in the past who used to determine depth using a weighted rope called a “lead line.”
Following centuries of maritime tradition, the fathom remains a vital tool in oceanography and the maritime industry. It’s fascinating to note that it also plays a symbolic role, metaphorically plunging into “fathomless” depths to denote the mysteries of the sea. While modern technology has advanced far beyond lead lines, the fathom remains a cherished part of nautical lexicon.
Feet | Fathoms |
---|---|
0
ft
|
0
fathom
|
1
ft
|
0.166667
fathom
|
2
ft
|
0.333333
fathom
|
3
ft
|
0.5
fathom
|
4
ft
|
0.666667
fathom
|
5
ft
|
0.833333
fathom
|
6
ft
|
1
fathom
|
7
ft
|
1.16667
fathom
|
8
ft
|
1.33333
fathom
|
9
ft
|
1.5
fathom
|
10
ft
|
1.66667
fathom
|
11
ft
|
1.83333
fathom
|
12
ft
|
2
fathom
|
13
ft
|
2.16667
fathom
|
14
ft
|
2.33333
fathom
|
15
ft
|
2.5
fathom
|
16
ft
|
2.66667
fathom
|
17
ft
|
2.83333
fathom
|
18
ft
|
3
fathom
|
19
ft
|
3.16667
fathom
|
20
ft
|
3.33333
fathom
|
21
ft
|
3.5
fathom
|
22
ft
|
3.66667
fathom
|
23
ft
|
3.83333
fathom
|
24
ft
|
4
fathom
|
25
ft
|
4.16667
fathom
|
26
ft
|
4.33333
fathom
|
27
ft
|
4.5
fathom
|
28
ft
|
4.66667
fathom
|
29
ft
|
4.83333
fathom
|
30
ft
|
5
fathom
|
31
ft
|
5.16667
fathom
|
32
ft
|
5.33333
fathom
|
33
ft
|
5.5
fathom
|
34
ft
|
5.66667
fathom
|
35
ft
|
5.83333
fathom
|
36
ft
|
6
fathom
|
37
ft
|
6.16667
fathom
|
38
ft
|
6.33333
fathom
|
39
ft
|
6.5
fathom
|
40
ft
|
6.66667
fathom
|
41
ft
|
6.83333
fathom
|
42
ft
|
7
fathom
|
43
ft
|
7.16667
fathom
|
44
ft
|
7.33333
fathom
|
45
ft
|
7.5
fathom
|
46
ft
|
7.66667
fathom
|
47
ft
|
7.83333
fathom
|
48
ft
|
8
fathom
|
49
ft
|
8.16667
fathom
|
50
ft
|
8.33333
fathom
|
51
ft
|
8.5
fathom
|
52
ft
|
8.66667
fathom
|
53
ft
|
8.83333
fathom
|
54
ft
|
9
fathom
|
55
ft
|
9.16667
fathom
|
56
ft
|
9.33333
fathom
|
57
ft
|
9.5
fathom
|
58
ft
|
9.66667
fathom
|
59
ft
|
9.83333
fathom
|
60
ft
|
10
fathom
|
61
ft
|
10.16667
fathom
|
62
ft
|
10.33333
fathom
|
63
ft
|
10.5
fathom
|
64
ft
|
10.66667
fathom
|
65
ft
|
10.83333
fathom
|
66
ft
|
11
fathom
|
67
ft
|
11.16667
fathom
|
68
ft
|
11.33333
fathom
|
69
ft
|
11.5
fathom
|
70
ft
|
11.66667
fathom
|
71
ft
|
11.83333
fathom
|
72
ft
|
12
fathom
|
73
ft
|
12.16667
fathom
|
74
ft
|
12.33333
fathom
|
75
ft
|
12.5
fathom
|
76
ft
|
12.66667
fathom
|
77
ft
|
12.83333
fathom
|
78
ft
|
13
fathom
|
79
ft
|
13.16667
fathom
|
80
ft
|
13.33333
fathom
|
81
ft
|
13.5
fathom
|
82
ft
|
13.66667
fathom
|
83
ft
|
13.83333
fathom
|
84
ft
|
14
fathom
|
85
ft
|
14.16667
fathom
|
86
ft
|
14.33333
fathom
|
87
ft
|
14.5
fathom
|
88
ft
|
14.66667
fathom
|
89
ft
|
14.83333
fathom
|
90
ft
|
15
fathom
|
91
ft
|
15.16667
fathom
|
92
ft
|
15.33333
fathom
|
93
ft
|
15.5
fathom
|
94
ft
|
15.66667
fathom
|
95
ft
|
15.83333
fathom
|
96
ft
|
16
fathom
|
97
ft
|
16.16667
fathom
|
98
ft
|
16.33333
fathom
|
99
ft
|
16.5
fathom
|
100
ft
|
16.66667
fathom
|
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