The kilopound per square inch (ksi) is a unit of pressure that is not as commonly encountered as its smaller counterpart, pounds per square inch (psi). However, it plays a crucial role in engineering and materials science, particularly in the United States, where it is often used to express the tensile strength and yield strength of materials like steel. One ksi is equal to 1,000 psi, making it a convenient way to express large values of pressure or stress without cumbersome zeros.
Interestingly, ksi is commonly used in the context of measuring the mechanical properties of metals, especially in aerospace and automotive industries. These are fields where precise and robust materials are essential for safety and performance. For instance, typical structural steel can have a yield strength on the order of 50 ksi, underscoring the immense stress materials can withstand in such applications. Understanding these units helps engineers ensure that the materials used can handle the demanding conditions they face.
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.
Kilopound per square inch | Megapascals |
---|---|
0
ksi
|
0
MPa
|
0.1
ksi
|
0.689476
MPa
|
0.2
ksi
|
1.37895
MPa
|
0.3
ksi
|
2.06843
MPa
|
0.4
ksi
|
2.7579
MPa
|
0.5
ksi
|
3.44738
MPa
|
0.6
ksi
|
4.13686
MPa
|
0.7
ksi
|
4.82633
MPa
|
0.8
ksi
|
5.51581
MPa
|
0.9
ksi
|
6.20528
MPa
|
1
ksi
|
6.89476
MPa
|
1.1
ksi
|
7.58424
MPa
|
1.2
ksi
|
8.27371
MPa
|
1.3
ksi
|
8.96319
MPa
|
1.4
ksi
|
9.65266
MPa
|
1.5
ksi
|
10.34214
MPa
|
1.6
ksi
|
11.03162
MPa
|
1.7
ksi
|
11.72109
MPa
|
1.8
ksi
|
12.41057
MPa
|
1.9
ksi
|
13.10004
MPa
|
2
ksi
|
13.78952
MPa
|
2.1
ksi
|
14.479
MPa
|
2.2
ksi
|
15.16847
MPa
|
2.3
ksi
|
15.85795
MPa
|
2.4
ksi
|
16.54742
MPa
|
2.5
ksi
|
17.2369
MPa
|
2.6
ksi
|
17.92638
MPa
|
2.7
ksi
|
18.61585
MPa
|
2.8
ksi
|
19.30533
MPa
|
2.9
ksi
|
19.9948
MPa
|
3
ksi
|
20.68428
MPa
|
3.1
ksi
|
21.37376
MPa
|
3.2
ksi
|
22.06323
MPa
|
3.3
ksi
|
22.75271
MPa
|
3.4
ksi
|
23.44218
MPa
|
3.5
ksi
|
24.13166
MPa
|
3.6
ksi
|
24.82114
MPa
|
3.7
ksi
|
25.51061
MPa
|
3.8
ksi
|
26.20009
MPa
|
3.9
ksi
|
26.88956
MPa
|
4
ksi
|
27.57904
MPa
|
4.1
ksi
|
28.26852
MPa
|
4.2
ksi
|
28.95799
MPa
|
4.3
ksi
|
29.64747
MPa
|
4.4
ksi
|
30.33694
MPa
|
4.5
ksi
|
31.02642
MPa
|
4.6
ksi
|
31.7159
MPa
|
4.7
ksi
|
32.40537
MPa
|
4.8
ksi
|
33.09485
MPa
|
4.9
ksi
|
33.78432
MPa
|
5
ksi
|
34.4738
MPa
|
5.1
ksi
|
35.16328
MPa
|
5.2
ksi
|
35.85275
MPa
|
5.3
ksi
|
36.54223
MPa
|
5.4
ksi
|
37.2317
MPa
|
5.5
ksi
|
37.92118
MPa
|
5.6
ksi
|
38.61066
MPa
|
5.7
ksi
|
39.30013
MPa
|
5.8
ksi
|
39.98961
MPa
|
5.9
ksi
|
40.67908
MPa
|
6
ksi
|
41.36856
MPa
|
6.1
ksi
|
42.05804
MPa
|
6.2
ksi
|
42.74751
MPa
|
6.3
ksi
|
43.43699
MPa
|
6.4
ksi
|
44.12646
MPa
|
6.5
ksi
|
44.81594
MPa
|
6.6
ksi
|
45.50542
MPa
|
6.7
ksi
|
46.19489
MPa
|
6.8
ksi
|
46.88437
MPa
|
6.9
ksi
|
47.57384
MPa
|
7
ksi
|
48.26332
MPa
|
7.1
ksi
|
48.9528
MPa
|
7.2
ksi
|
49.64227
MPa
|
7.3
ksi
|
50.33175
MPa
|
7.4
ksi
|
51.02122
MPa
|
7.5
ksi
|
51.7107
MPa
|
7.6
ksi
|
52.40018
MPa
|
7.7
ksi
|
53.08965
MPa
|
7.8
ksi
|
53.77913
MPa
|
7.9
ksi
|
54.4686
MPa
|
8
ksi
|
55.15808
MPa
|
8.1
ksi
|
55.84756
MPa
|
8.2
ksi
|
56.53703
MPa
|
8.3
ksi
|
57.22651
MPa
|
8.4
ksi
|
57.91598
MPa
|
8.5
ksi
|
58.60546
MPa
|
8.6
ksi
|
59.29494
MPa
|
8.7
ksi
|
59.98441
MPa
|
8.8
ksi
|
60.67389
MPa
|
8.9
ksi
|
61.36336
MPa
|
9
ksi
|
62.05284
MPa
|
9.1
ksi
|
62.74232
MPa
|
9.2
ksi
|
63.43179
MPa
|
9.3
ksi
|
64.12127
MPa
|
9.4
ksi
|
64.81074
MPa
|
9.5
ksi
|
65.50022
MPa
|
9.6
ksi
|
66.1897
MPa
|
9.7
ksi
|
66.87917
MPa
|
9.8
ksi
|
67.56865
MPa
|
9.9
ksi
|
68.25812
MPa
|
10
ksi
|
68.9476
MPa
|
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