The inch, once the size of a barleycorn kernel, has fascinating origins. Early English measurement systems based it on the width of a man’s thumb. In the 14th century, King Edward II of England formalized it, defining an inch as the length of three barleycorns laid end to end. Historically, the inch was crucial for countless innovations, especially in Anglo-Saxon countries, influencing everything from watchmaking to industrial design.
Today, the inch still plays an integral role in areas like screen sizes and standardized paper dimensions, delighting both tech enthusiasts and everyday users. Interestingly, in surveying, an inch is divided into hundredths in the US, showing its adaptability in precision tasks. Despite the global shift towards the metric system, the inch endures, showcasing its resilience and continued relevance.
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.
| Inches | Miles |
|---|---|
0
in
|
0
mi
|
1
in
|
1.57828e-5
mi
|
2
in
|
3.15657e-5
mi
|
3
in
|
4.73485e-5
mi
|
4
in
|
6.31313e-5
mi
|
5
in
|
7.89141e-5
mi
|
6
in
|
0.000094697
mi
|
7
in
|
0.00011048
mi
|
8
in
|
0.000126263
mi
|
9
in
|
0.000142045
mi
|
10
in
|
0.000157828
mi
|
11
in
|
0.000173611
mi
|
12
in
|
0.000189394
mi
|
13
in
|
0.000205177
mi
|
14
in
|
0.00022096
mi
|
15
in
|
0.000236742
mi
|
16
in
|
0.000252525
mi
|
17
in
|
0.000268308
mi
|
18
in
|
0.000284091
mi
|
19
in
|
0.000299874
mi
|
20
in
|
0.000315657
mi
|
21
in
|
0.000331439
mi
|
22
in
|
0.000347222
mi
|
23
in
|
0.000363005
mi
|
24
in
|
0.000378788
mi
|
25
in
|
0.000394571
mi
|
26
in
|
0.000410354
mi
|
27
in
|
0.000426136
mi
|
28
in
|
0.000441919
mi
|
29
in
|
0.000457702
mi
|
30
in
|
0.000473485
mi
|
31
in
|
0.000489268
mi
|
32
in
|
0.000505051
mi
|
33
in
|
0.000520833
mi
|
34
in
|
0.000536616
mi
|
35
in
|
0.000552399
mi
|
36
in
|
0.000568182
mi
|
37
in
|
0.000583965
mi
|
38
in
|
0.000599747
mi
|
39
in
|
0.00061553
mi
|
40
in
|
0.000631313
mi
|
41
in
|
0.000647096
mi
|
42
in
|
0.000662879
mi
|
43
in
|
0.000678662
mi
|
44
in
|
0.000694444
mi
|
45
in
|
0.000710227
mi
|
46
in
|
0.00072601
mi
|
47
in
|
0.000741793
mi
|
48
in
|
0.000757576
mi
|
49
in
|
0.000773359
mi
|
50
in
|
0.000789141
mi
|
51
in
|
0.000804924
mi
|
52
in
|
0.000820707
mi
|
53
in
|
0.00083649
mi
|
54
in
|
0.000852273
mi
|
55
in
|
0.000868056
mi
|
56
in
|
0.000883838
mi
|
57
in
|
0.000899621
mi
|
58
in
|
0.000915404
mi
|
59
in
|
0.000931187
mi
|
60
in
|
0.00094697
mi
|
61
in
|
0.000962753
mi
|
62
in
|
0.000978535
mi
|
63
in
|
0.000994318
mi
|
64
in
|
0.0010101
mi
|
65
in
|
0.00102588
mi
|
66
in
|
0.00104167
mi
|
67
in
|
0.00105745
mi
|
68
in
|
0.00107323
mi
|
69
in
|
0.00108902
mi
|
70
in
|
0.0011048
mi
|
71
in
|
0.00112058
mi
|
72
in
|
0.00113636
mi
|
73
in
|
0.00115215
mi
|
74
in
|
0.00116793
mi
|
75
in
|
0.00118371
mi
|
76
in
|
0.00119949
mi
|
77
in
|
0.00121528
mi
|
78
in
|
0.00123106
mi
|
79
in
|
0.00124684
mi
|
80
in
|
0.00126263
mi
|
81
in
|
0.00127841
mi
|
82
in
|
0.00129419
mi
|
83
in
|
0.00130997
mi
|
84
in
|
0.00132576
mi
|
85
in
|
0.00134154
mi
|
86
in
|
0.00135732
mi
|
87
in
|
0.00137311
mi
|
88
in
|
0.00138889
mi
|
89
in
|
0.00140467
mi
|
90
in
|
0.00142045
mi
|
91
in
|
0.00143624
mi
|
92
in
|
0.00145202
mi
|
93
in
|
0.0014678
mi
|
94
in
|
0.00148359
mi
|
95
in
|
0.00149937
mi
|
96
in
|
0.00151515
mi
|
97
in
|
0.00153093
mi
|
98
in
|
0.00154672
mi
|
99
in
|
0.0015625
mi
|
100
in
|
0.00157828
mi
|
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