The megapascal (MPa) is a unit of pressure that is often used in a variety of scientific and engineering calculations, especially in materials science. One fascinating aspect of the megapascal is how it bridges different disciplines, such as geology, where it helps measure the strength of rocks, and civil engineering, where it is crucial for understanding the stress in structures. Interestingly, 1 MPa is equivalent to the pressure exerted by a weight of about 10.2 metric tons on a single square meter, illustrating its significant impact compared to everyday pressures we encounter.
In the realm of meteorology, pressures measured in MPa can indicate catastrophic weather conditions, as atmospheric pressure is usually measured in hectorpascals due to its lower scale. Also noteworthy is the use of MPa in automotive engine performance, where it assesses combustion forces, underlying the importance of this unit in ensuring both vehicle efficiency and safety. Thus, the megapascal is vital across varied fields, reflecting the diverse applications of pressure measurement in modern technology and natural phenomena.
The Pascal, named after the French mathematician and physicist Blaise Pascal, is the SI unit of pressure. It is equivalent to one newton per square meter, symbolized as Pa. Despite its relatively recent introduction in 1971, the Pascal honors the pioneering work of Pascal in fluid mechanics and pressure, such as Pascal’s Law, which explains how pressure applied to a confined fluid is transmitted undiminished in all directions. Interestingly, a single Pascal is a tiny unit of pressure, roughly equal to the pressure exerted by a dollar bill resting flat on a table. This illustrates why everyday atmospheric pressure is typically measured in kilopascals (kPa), as one standard atmosphere is about 101.3 kPa.
Megapascals | Pascals |
---|---|
0
MPa
|
0
Pa
|
1
MPa
|
1000000
Pa
|
2
MPa
|
2000000
Pa
|
3
MPa
|
3000000
Pa
|
4
MPa
|
4000000
Pa
|
5
MPa
|
5000000
Pa
|
6
MPa
|
6000000
Pa
|
7
MPa
|
7000000
Pa
|
8
MPa
|
8000000
Pa
|
9
MPa
|
9000000
Pa
|
10
MPa
|
1e+7
Pa
|
11
MPa
|
1.1e+7
Pa
|
12
MPa
|
1.2e+7
Pa
|
13
MPa
|
1.3e+7
Pa
|
14
MPa
|
1.4e+7
Pa
|
15
MPa
|
1.5e+7
Pa
|
16
MPa
|
1.6e+7
Pa
|
17
MPa
|
1.7e+7
Pa
|
18
MPa
|
1.8e+7
Pa
|
19
MPa
|
1.9e+7
Pa
|
20
MPa
|
2e+7
Pa
|
21
MPa
|
2.1e+7
Pa
|
22
MPa
|
2.2e+7
Pa
|
23
MPa
|
2.3e+7
Pa
|
24
MPa
|
2.4e+7
Pa
|
25
MPa
|
2.5e+7
Pa
|
26
MPa
|
2.6e+7
Pa
|
27
MPa
|
2.7e+7
Pa
|
28
MPa
|
2.8e+7
Pa
|
29
MPa
|
2.9e+7
Pa
|
30
MPa
|
3e+7
Pa
|
31
MPa
|
3.1e+7
Pa
|
32
MPa
|
3.2e+7
Pa
|
33
MPa
|
3.3e+7
Pa
|
34
MPa
|
3.4e+7
Pa
|
35
MPa
|
3.5e+7
Pa
|
36
MPa
|
3.6e+7
Pa
|
37
MPa
|
3.7e+7
Pa
|
38
MPa
|
3.8e+7
Pa
|
39
MPa
|
3.9e+7
Pa
|
40
MPa
|
4e+7
Pa
|
41
MPa
|
4.1e+7
Pa
|
42
MPa
|
4.2e+7
Pa
|
43
MPa
|
4.3e+7
Pa
|
44
MPa
|
4.4e+7
Pa
|
45
MPa
|
4.5e+7
Pa
|
46
MPa
|
4.6e+7
Pa
|
47
MPa
|
4.7e+7
Pa
|
48
MPa
|
4.8e+7
Pa
|
49
MPa
|
4.9e+7
Pa
|
50
MPa
|
5e+7
Pa
|
51
MPa
|
5.1e+7
Pa
|
52
MPa
|
5.2e+7
Pa
|
53
MPa
|
5.3e+7
Pa
|
54
MPa
|
5.4e+7
Pa
|
55
MPa
|
5.5e+7
Pa
|
56
MPa
|
5.6e+7
Pa
|
57
MPa
|
5.7e+7
Pa
|
58
MPa
|
5.8e+7
Pa
|
59
MPa
|
5.9e+7
Pa
|
60
MPa
|
6e+7
Pa
|
61
MPa
|
6.1e+7
Pa
|
62
MPa
|
6.2e+7
Pa
|
63
MPa
|
6.3e+7
Pa
|
64
MPa
|
6.4e+7
Pa
|
65
MPa
|
6.5e+7
Pa
|
66
MPa
|
6.6e+7
Pa
|
67
MPa
|
6.7e+7
Pa
|
68
MPa
|
6.8e+7
Pa
|
69
MPa
|
6.9e+7
Pa
|
70
MPa
|
7e+7
Pa
|
71
MPa
|
7.1e+7
Pa
|
72
MPa
|
7.2e+7
Pa
|
73
MPa
|
7.3e+7
Pa
|
74
MPa
|
7.4e+7
Pa
|
75
MPa
|
7.5e+7
Pa
|
76
MPa
|
7.6e+7
Pa
|
77
MPa
|
7.7e+7
Pa
|
78
MPa
|
7.8e+7
Pa
|
79
MPa
|
7.9e+7
Pa
|
80
MPa
|
8e+7
Pa
|
81
MPa
|
8.1e+7
Pa
|
82
MPa
|
8.2e+7
Pa
|
83
MPa
|
8.3e+7
Pa
|
84
MPa
|
8.4e+7
Pa
|
85
MPa
|
8.5e+7
Pa
|
86
MPa
|
8.6e+7
Pa
|
87
MPa
|
8.7e+7
Pa
|
88
MPa
|
8.8e+7
Pa
|
89
MPa
|
8.9e+7
Pa
|
90
MPa
|
9e+7
Pa
|
91
MPa
|
9.1e+7
Pa
|
92
MPa
|
9.2e+7
Pa
|
93
MPa
|
9.3e+7
Pa
|
94
MPa
|
9.4e+7
Pa
|
95
MPa
|
9.5e+7
Pa
|
96
MPa
|
9.6e+7
Pa
|
97
MPa
|
9.7e+7
Pa
|
98
MPa
|
9.8e+7
Pa
|
99
MPa
|
9.9e+7
Pa
|
100
MPa
|
1e+8
Pa
|
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