Pounds per square inch (psi) is a crucial unit of pressure measurement, widely used across various industries, including automotive, aviation, and even space exploration. One interesting fact is that a typical car tire is inflated to around 30 psi, but did you know that a commercial jetliner’s cabin is pressurized to a reduced level of 11 psi to simulate being at a comfortable altitude of about 6,000-8,000 feet? This helps passengers avoid the stress of low oxygen levels while flying at over 35,000 feet, where the atmospheric pressure is a meager 4 psi.

Moreover, psi is pivotal in assessing the force exerted on surfaces. If you’ve ever wondered why deep-sea submarines have thick hulls, it’s because they must withstand pressures of around 8,800 psi at depths of 6 miles beneath the ocean’s surface! This ensures safe exploration of the mysterious deep-sea world, showcasing psi’s significance in enabling human feats in extreme environments.

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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.

Pounds per square inch

Megapascals

0 psi

0 MPa

10 psi

0.0689476 MPa

20 psi

0.137895 MPa

30 psi

0.206843 MPa

40 psi

0.27579 MPa

50 psi

0.344738 MPa

60 psi

0.413686 MPa

70 psi

0.482633 MPa

80 psi

0.551581 MPa

90 psi

0.620528 MPa

100 psi

0.689476 MPa

110 psi

0.758424 MPa

120 psi

0.827371 MPa

130 psi

0.896319 MPa

140 psi

0.965266 MPa

150 psi

1.03421 MPa

160 psi

1.10316 MPa

170 psi

1.17211 MPa

180 psi

1.24106 MPa

190 psi

1.31 MPa

200 psi

1.37895 MPa

210 psi

1.4479 MPa

220 psi

1.51685 MPa

230 psi

1.58579 MPa

240 psi

1.65474 MPa

250 psi

1.72369 MPa

260 psi

1.79264 MPa

270 psi

1.86159 MPa

280 psi

1.93053 MPa

290 psi

2 MPa

300 psi

2.06843 MPa

310 psi

2.13738 MPa

320 psi

2.20632 MPa

330 psi

2.27527 MPa

340 psi

2.34422 MPa

350 psi

2.41317 MPa

360 psi

2.48211 MPa

370 psi

2.55106 MPa

380 psi

2.62001 MPa

390 psi

2.68896 MPa

400 psi

2.7579 MPa

410 psi

2.82685 MPa

420 psi

2.8958 MPa

430 psi

2.96475 MPa

440 psi

3.03369 MPa

450 psi

3.10264 MPa

460 psi

3.17159 MPa

470 psi

3.24054 MPa

480 psi

3.30948 MPa

490 psi

3.37843 MPa

500 psi

3.44738 MPa

510 psi

3.51633 MPa

520 psi

3.58528 MPa

530 psi

3.65422 MPa

540 psi

3.72317 MPa

550 psi

3.79212 MPa

560 psi

3.86107 MPa

570 psi

3.93001 MPa

580 psi

3.99896 MPa

590 psi

4.06791 MPa

600 psi

4.13686 MPa

610 psi

4.2058 MPa

620 psi

4.27475 MPa

630 psi

4.3437 MPa

640 psi

4.41265 MPa

650 psi

4.48159 MPa

660 psi

4.55054 MPa

670 psi

4.61949 MPa

680 psi

4.68844 MPa

690 psi

4.75738 MPa

700 psi

4.82633 MPa

710 psi

4.89528 MPa

720 psi

4.96423 MPa

730 psi

5.03317 MPa

740 psi

5.10212 MPa

750 psi

5.17107 MPa

760 psi

5.24002 MPa

770 psi

5.30897 MPa

780 psi

5.37791 MPa

790 psi

5.44686 MPa

800 psi

5.51581 MPa

810 psi

5.58476 MPa

820 psi

5.6537 MPa

830 psi

5.72265 MPa

840 psi

5.7916 MPa

850 psi

5.86055 MPa

860 psi

5.92949 MPa

870 psi

5.99844 MPa

880 psi

6.06739 MPa

890 psi

6.13634 MPa

900 psi

6.20528 MPa

910 psi

6.27423 MPa

920 psi

6.34318 MPa

930 psi

6.41213 MPa

940 psi

6.48107 MPa

950 psi

6.55002 MPa

960 psi

6.61897 MPa

970 psi

6.68792 MPa

980 psi

6.75686 MPa

990 psi

6.82581 MPa

1000 psi

6.89476 MPa

Conversion

Pounds per inch² to Pascals

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Pounds per inch² to Bar

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Pounds per inch² to Meters of water @ 4°C

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Pounds per inch² to Millimeters of mercury

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Pounds per inch² to Kilopound per square inch

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Pounds per inch² to Inches of mercury

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Pounds per inch² to Megapascals Conversion

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> Pounds per inch² to Megapascals Conversion Table

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