The “are” is a unit of area primarily used in land measurement, notably in countries employing the metric system. Introduced in France in 1795, it represents 100 square meters, making it a practical unit for comparing parcels of land. Interestingly, it’s the base unit for hectares, with one hectare equating to 100 ares or 10,000 square meters. While the are has been largely overshadowed by hectares in commercial and agricultural contexts, it remains a vital unit in some regions for surveying smaller plots. The persistence of the “are” in certain legal and cultural settings highlights how historical units can remain relevant despite broader shifts towards newer measurement systems.
The square micrometer, also known as a square micron, is an incredibly minute area unit measuring an astoundingly small fraction of a square millimeter. To put it into perspective, a human hair is roughly 70,000 square micrometers in cross-sectional area. This tiny unit is critical in fields like microbiology and nanotechnology, where it helps quantify the surfaces of micro-organisms and nanomaterials with utmost precision. Thanks to the square micrometer, scientists can analyze the cellular structures of life forms down to the finest details or measure nano-scale coatings that can enhance the properties of everyday materials, like making them more resistant to scratches. Exploring these realms opens up possibilities that were once unimaginable, paving the way for advanced scientific breakthroughs.
| Ares | Square Micrometers |
|---|---|
0
a
|
0
μm²
|
1
a
|
1e+14
μm²
|
2
a
|
2e+14
μm²
|
3
a
|
3e+14
μm²
|
4
a
|
4e+14
μm²
|
5
a
|
5e+14
μm²
|
6
a
|
6e+14
μm²
|
7
a
|
7e+14
μm²
|
8
a
|
8e+14
μm²
|
9
a
|
9e+14
μm²
|
10
a
|
1e+15
μm²
|
11
a
|
1.1e+15
μm²
|
12
a
|
1.2e+15
μm²
|
13
a
|
1.3e+15
μm²
|
14
a
|
1.4e+15
μm²
|
15
a
|
1.5e+15
μm²
|
16
a
|
1.6e+15
μm²
|
17
a
|
1.7e+15
μm²
|
18
a
|
1.8e+15
μm²
|
19
a
|
1.9e+15
μm²
|
20
a
|
2e+15
μm²
|
21
a
|
2.1e+15
μm²
|
22
a
|
2.2e+15
μm²
|
23
a
|
2.3e+15
μm²
|
24
a
|
2.4e+15
μm²
|
25
a
|
2.5e+15
μm²
|
26
a
|
2.6e+15
μm²
|
27
a
|
2.7e+15
μm²
|
28
a
|
2.8e+15
μm²
|
29
a
|
2.9e+15
μm²
|
30
a
|
3e+15
μm²
|
31
a
|
3.1e+15
μm²
|
32
a
|
3.2e+15
μm²
|
33
a
|
3.3e+15
μm²
|
34
a
|
3.4e+15
μm²
|
35
a
|
3.5e+15
μm²
|
36
a
|
3.6e+15
μm²
|
37
a
|
3.7e+15
μm²
|
38
a
|
3.8e+15
μm²
|
39
a
|
3.9e+15
μm²
|
40
a
|
4e+15
μm²
|
41
a
|
4.1e+15
μm²
|
42
a
|
4.2e+15
μm²
|
43
a
|
4.3e+15
μm²
|
44
a
|
4.4e+15
μm²
|
45
a
|
4.5e+15
μm²
|
46
a
|
4.6e+15
μm²
|
47
a
|
4.7e+15
μm²
|
48
a
|
4.8e+15
μm²
|
49
a
|
4.9e+15
μm²
|
50
a
|
5e+15
μm²
|
51
a
|
5.1e+15
μm²
|
52
a
|
5.2e+15
μm²
|
53
a
|
5.3e+15
μm²
|
54
a
|
5.4e+15
μm²
|
55
a
|
5.5e+15
μm²
|
56
a
|
5.6e+15
μm²
|
57
a
|
5.7e+15
μm²
|
58
a
|
5.8e+15
μm²
|
59
a
|
5.9e+15
μm²
|
60
a
|
6e+15
μm²
|
61
a
|
6.1e+15
μm²
|
62
a
|
6.2e+15
μm²
|
63
a
|
6.3e+15
μm²
|
64
a
|
6.4e+15
μm²
|
65
a
|
6.5e+15
μm²
|
66
a
|
6.6e+15
μm²
|
67
a
|
6.7e+15
μm²
|
68
a
|
6.8e+15
μm²
|
69
a
|
6.9e+15
μm²
|
70
a
|
7e+15
μm²
|
71
a
|
7.1e+15
μm²
|
72
a
|
7.2e+15
μm²
|
73
a
|
7.3e+15
μm²
|
74
a
|
7.4e+15
μm²
|
75
a
|
7.5e+15
μm²
|
76
a
|
7.6e+15
μm²
|
77
a
|
7.7e+15
μm²
|
78
a
|
7.8e+15
μm²
|
79
a
|
7.9e+15
μm²
|
80
a
|
8e+15
μm²
|
81
a
|
8.1e+15
μm²
|
82
a
|
8.2e+15
μm²
|
83
a
|
8.3e+15
μm²
|
84
a
|
8.4e+15
μm²
|
85
a
|
8.5e+15
μm²
|
86
a
|
8.6e+15
μm²
|
87
a
|
8.7e+15
μm²
|
88
a
|
8.8e+15
μm²
|
89
a
|
8.9e+15
μm²
|
90
a
|
9e+15
μm²
|
91
a
|
9.1e+15
μm²
|
92
a
|
9.2e+15
μm²
|
93
a
|
9.3e+15
μm²
|
94
a
|
9.4e+15
μm²
|
95
a
|
9.5e+15
μm²
|
96
a
|
9.6e+15
μm²
|
97
a
|
9.7e+15
μm²
|
98
a
|
9.8e+15
μm²
|
99
a
|
9.9e+15
μm²
|
100
a
|
1e+16
μm²
|
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