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 hectopascal (hPa) is a commonly used unit for measuring atmospheric pressure, especially in meteorology. One hPa is equivalent to 100 pascals, making it a preferred measurement over pascals due to the convenient scale. Interestingly, 1 hPa is also equivalent to 1 millibar, a unit that was widely used before the adoption of the hectopascal. This equivalence makes it easy for transitioning instruments and readings in weather maps and reports.
Hectopascals play a crucial role in understanding atmospheric conditions, such as weather forecasting and studying phenomena like hurricanes or cyclones. Typically, sea-level pressure is around 1013 hPa, and deviations from this can indicate changing weather patterns, with lower pressures often associated with storm systems. This connection makes the hPa unit vital for predicting and understanding weather events globally.
Kilopound per square inch | Hectopascals |
---|---|
0
ksi
|
0
hPa
|
0.1
ksi
|
6894.76
hPa
|
0.2
ksi
|
13789.52
hPa
|
0.3
ksi
|
20684.28
hPa
|
0.4
ksi
|
27579.04
hPa
|
0.5
ksi
|
34473.8
hPa
|
0.6
ksi
|
41368.56
hPa
|
0.7
ksi
|
48263.32
hPa
|
0.8
ksi
|
55158.08
hPa
|
0.9
ksi
|
62052.84
hPa
|
1
ksi
|
68947.6
hPa
|
1.1
ksi
|
75842.36
hPa
|
1.2
ksi
|
82737.12001
hPa
|
1.3
ksi
|
89631.88001
hPa
|
1.4
ksi
|
96526.64001
hPa
|
1.5
ksi
|
103421.40001
hPa
|
1.6
ksi
|
110316.16001
hPa
|
1.7
ksi
|
117210.92001
hPa
|
1.8
ksi
|
124105.68001
hPa
|
1.9
ksi
|
131000.44001
hPa
|
2
ksi
|
137895.20001
hPa
|
2.1
ksi
|
144789.96001
hPa
|
2.2
ksi
|
151684.72001
hPa
|
2.3
ksi
|
158579.48001
hPa
|
2.4
ksi
|
165474.24001
hPa
|
2.5
ksi
|
172369.00001
hPa
|
2.6
ksi
|
179263.76001
hPa
|
2.7
ksi
|
186158.52001
hPa
|
2.8
ksi
|
193053.28001
hPa
|
2.9
ksi
|
199948.04001
hPa
|
3
ksi
|
206842.80001
hPa
|
3.1
ksi
|
213737.56001
hPa
|
3.2
ksi
|
220632.32001
hPa
|
3.3
ksi
|
227527.08001
hPa
|
3.4
ksi
|
234421.84002
hPa
|
3.5
ksi
|
241316.60002
hPa
|
3.6
ksi
|
248211.36002
hPa
|
3.7
ksi
|
255106.12002
hPa
|
3.8
ksi
|
262000.88002
hPa
|
3.9
ksi
|
268895.64002
hPa
|
4
ksi
|
275790.40002
hPa
|
4.1
ksi
|
282685.16002
hPa
|
4.2
ksi
|
289579.92002
hPa
|
4.3
ksi
|
296474.68002
hPa
|
4.4
ksi
|
303369.44002
hPa
|
4.5
ksi
|
310264.20002
hPa
|
4.6
ksi
|
317158.96002
hPa
|
4.7
ksi
|
324053.72002
hPa
|
4.8
ksi
|
330948.48002
hPa
|
4.9
ksi
|
337843.24002
hPa
|
5
ksi
|
344738.00002
hPa
|
5.1
ksi
|
351632.76002
hPa
|
5.2
ksi
|
358527.52002
hPa
|
5.3
ksi
|
365422.28002
hPa
|
5.4
ksi
|
372317.04002
hPa
|
5.5
ksi
|
379211.80002
hPa
|
5.6
ksi
|
386106.56003
hPa
|
5.7
ksi
|
393001.32003
hPa
|
5.8
ksi
|
399896.08003
hPa
|
5.9
ksi
|
406790.84003
hPa
|
6
ksi
|
413685.60003
hPa
|
6.1
ksi
|
420580.36003
hPa
|
6.2
ksi
|
427475.12003
hPa
|
6.3
ksi
|
434369.88003
hPa
|
6.4
ksi
|
441264.64003
hPa
|
6.5
ksi
|
448159.40003
hPa
|
6.6
ksi
|
455054.16003
hPa
|
6.7
ksi
|
461948.92003
hPa
|
6.8
ksi
|
468843.68003
hPa
|
6.9
ksi
|
475738.44003
hPa
|
7
ksi
|
482633.20003
hPa
|
7.1
ksi
|
489527.96003
hPa
|
7.2
ksi
|
496422.72003
hPa
|
7.3
ksi
|
503317.48003
hPa
|
7.4
ksi
|
510212.24003
hPa
|
7.5
ksi
|
517107.00003
hPa
|
7.6
ksi
|
524001.76003
hPa
|
7.7
ksi
|
530896.52003
hPa
|
7.8
ksi
|
537791.28004
hPa
|
7.9
ksi
|
544686.04004
hPa
|
8
ksi
|
551580.80004
hPa
|
8.1
ksi
|
558475.56004
hPa
|
8.2
ksi
|
565370.32004
hPa
|
8.3
ksi
|
572265.08004
hPa
|
8.4
ksi
|
579159.84004
hPa
|
8.5
ksi
|
586054.60004
hPa
|
8.6
ksi
|
592949.36004
hPa
|
8.7
ksi
|
599844.12004
hPa
|
8.8
ksi
|
606738.88004
hPa
|
8.9
ksi
|
613633.64004
hPa
|
9
ksi
|
620528.40004
hPa
|
9.1
ksi
|
627423.16004
hPa
|
9.2
ksi
|
634317.92004
hPa
|
9.3
ksi
|
641212.68004
hPa
|
9.4
ksi
|
648107.44004
hPa
|
9.5
ksi
|
655002.20004
hPa
|
9.6
ksi
|
661896.96004
hPa
|
9.7
ksi
|
668791.72004
hPa
|
9.8
ksi
|
675686.48004
hPa
|
9.9
ksi
|
682581.24004
hPa
|
10
ksi
|
689476.00005
hPa
|
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