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 torr is a unit of pressure named after the Italian physicist Evangelista Torricelli, who invented the barometer in the 17th century. It is defined as 1/760th of an atmosphere, approximating the pressure exerted by a one-millimeter column of mercury at 0 degrees Celsius. What makes the torr particularly interesting is its practical use in fields like vacuum technology and weather forecasting, where precise measurements of atmospheric pressure are crucial.
The legacy of Torricelli’s work is integral to meteorology and physics, as it opened paths for understanding atmospheric pressure. Beyond scientific circles, the torr is a reminder of human ingenuity in unraveling atmospheric mysteries and continues to play a vital role in today’s scientific advancements.
Megapascals | Torr |
---|---|
0
MPa
|
0
torr
|
1
MPa
|
7500.61683
torr
|
2
MPa
|
15001.23365
torr
|
3
MPa
|
22501.85048
torr
|
4
MPa
|
30002.46731
torr
|
5
MPa
|
37503.08414
torr
|
6
MPa
|
45003.70096
torr
|
7
MPa
|
52504.31779
torr
|
8
MPa
|
60004.93462
torr
|
9
MPa
|
67505.55144
torr
|
10
MPa
|
75006.16827
torr
|
11
MPa
|
82506.7851
torr
|
12
MPa
|
90007.40192
torr
|
13
MPa
|
97508.01875
torr
|
14
MPa
|
105008.63558
torr
|
15
MPa
|
112509.25241
torr
|
16
MPa
|
120009.86923
torr
|
17
MPa
|
127510.48606
torr
|
18
MPa
|
135011.10289
torr
|
19
MPa
|
142511.71971
torr
|
20
MPa
|
150012.33654
torr
|
21
MPa
|
157512.95337
torr
|
22
MPa
|
165013.57019
torr
|
23
MPa
|
172514.18702
torr
|
24
MPa
|
180014.80385
torr
|
25
MPa
|
187515.42068
torr
|
26
MPa
|
195016.0375
torr
|
27
MPa
|
202516.65433
torr
|
28
MPa
|
210017.27116
torr
|
29
MPa
|
217517.88798
torr
|
30
MPa
|
225018.50481
torr
|
31
MPa
|
232519.12164
torr
|
32
MPa
|
240019.73847
torr
|
33
MPa
|
247520.35529
torr
|
34
MPa
|
255020.97212
torr
|
35
MPa
|
262521.58895
torr
|
36
MPa
|
270022.20577
torr
|
37
MPa
|
277522.8226
torr
|
38
MPa
|
285023.43943
torr
|
39
MPa
|
292524.05625
torr
|
40
MPa
|
300024.67308
torr
|
41
MPa
|
307525.28991
torr
|
42
MPa
|
315025.90674
torr
|
43
MPa
|
322526.52356
torr
|
44
MPa
|
330027.14039
torr
|
45
MPa
|
337527.75722
torr
|
46
MPa
|
345028.37404
torr
|
47
MPa
|
352528.99087
torr
|
48
MPa
|
360029.6077
torr
|
49
MPa
|
367530.22453
torr
|
50
MPa
|
375030.84135
torr
|
51
MPa
|
382531.45818
torr
|
52
MPa
|
390032.07501
torr
|
53
MPa
|
397532.69183
torr
|
54
MPa
|
405033.30866
torr
|
55
MPa
|
412533.92549
torr
|
56
MPa
|
420034.54231
torr
|
57
MPa
|
427535.15914
torr
|
58
MPa
|
435035.77597
torr
|
59
MPa
|
442536.3928
torr
|
60
MPa
|
450037.00962
torr
|
61
MPa
|
457537.62645
torr
|
62
MPa
|
465038.24328
torr
|
63
MPa
|
472538.8601
torr
|
64
MPa
|
480039.47693
torr
|
65
MPa
|
487540.09376
torr
|
66
MPa
|
495040.71058
torr
|
67
MPa
|
502541.32741
torr
|
68
MPa
|
510041.94424
torr
|
69
MPa
|
517542.56107
torr
|
70
MPa
|
525043.17789
torr
|
71
MPa
|
532543.79472
torr
|
72
MPa
|
540044.41155
torr
|
73
MPa
|
547545.02837
torr
|
74
MPa
|
555045.6452
torr
|
75
MPa
|
562546.26203
torr
|
76
MPa
|
570046.87886
torr
|
77
MPa
|
577547.49568
torr
|
78
MPa
|
585048.11251
torr
|
79
MPa
|
592548.72934
torr
|
80
MPa
|
600049.34616
torr
|
81
MPa
|
607549.96299
torr
|
82
MPa
|
615050.57982
torr
|
83
MPa
|
622551.19664
torr
|
84
MPa
|
630051.81347
torr
|
85
MPa
|
637552.4303
torr
|
86
MPa
|
645053.04713
torr
|
87
MPa
|
652553.66395
torr
|
88
MPa
|
660054.28078
torr
|
89
MPa
|
667554.89761
torr
|
90
MPa
|
675055.51443
torr
|
91
MPa
|
682556.13126
torr
|
92
MPa
|
690056.74809
torr
|
93
MPa
|
697557.36491
torr
|
94
MPa
|
705057.98174
torr
|
95
MPa
|
712558.59857
torr
|
96
MPa
|
720059.2154
torr
|
97
MPa
|
727559.83222
torr
|
98
MPa
|
735060.44905
torr
|
99
MPa
|
742561.06588
torr
|
100
MPa
|
750061.6827
torr
|
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