Pressure Converter

Convert between common and industrial pressure units.

Pressure
4
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Related Conversions
3.5 MPa to psi 6.5 MPa to psi 9.5 MPa to psi 10 MPa to psi 40 MPa to psi 65 MPa to psi 90 MPa to psi 120 MPa to psi 150 MPa to psi 500 MPa to psi 1,000 MPa to psi 5,000 MPa to psi
Reverse Conversions
0.5 psi to MPa 3.5 psi to MPa 4.5 psi to MPa 6.5 psi to MPa 20 psi to MPa 35 psi to MPa 50 psi to MPa 120 psi to MPa 180 psi to MPa 300 psi to MPa 1,000 psi to MPa 2,000 psi to MPa
More Pressure Conversions
1 Torr to Pa 1 atm to kPa 1 atm to psi 1 bar to atm 2 atm to kPa 10 bar to psi 20 bar to psi 30 inHg to kPa 30 psi to bar 35 psi to bar 101.325 kPa to atm 250 kPa to psi

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Common Benchmarks

Espresso machine 9 bar
Pressure cooker 15 psi
Scuba tank 3000 psi
Car tire 32 psi
Blood pressure systolic 120 mmHg
Storm center 950 hPa

Formula

psi = MPa × 145.0377377302

Example

Example: convert 4 megapascals to pounds per square inch.

4 MPa = 580.15095092 psi

Conversion table

megapascals (MPa) pounds per square inch (psi)
1 MPa 145.03773773 psi
2 MPa 290.07547546 psi
5 MPa 725.18868865 psi
10 MPa 1450.3773773 psi
20 MPa 2900.7547546 psi
50 MPa 7251.88688651 psi
100 MPa 14503.77377302 psi

Explanation

These are both units.

How to convert megapascals to pounds per square inch

  1. Start with the value in megapascals (MPa).
  2. Multiply it by 145.0377377302.
  3. The result is the measurement in pounds per square inch (psi).

Example: 4 MPa → 580.15095092 psi

Frequently Asked Questions

How much is 4 megapascals in pounds per square inch?

4 megapascals is about 580.151 pounds per square inch.

How many pounds per square inch is 1 megapascal?

1 megapascal is about 145.037738 pounds per square inch.

How many megapascals is 1 pound per square inch?

1 pound per square inch is about 0.006895 megapascals.

What is the difference between megapascals and pounds per square inch?

Both measure pressure, but they are commonly used in different contexts. Megapascals are used for high pressures (materials, hydraulics, and engineering). Pounds per square inch are often used in engineering and tire pressure, especially in US contexts.

Where are megapascals and pounds per square inch used?

In practice: Megapascals are used for high pressures (materials, hydraulics, and engineering). Pounds per square inch are often used in engineering and tire pressure, especially in US contexts.

Why does 1 megapascal equal 145.037738 pounds per square inch?

Because pressure units are defined with a fixed relationship (often relative to the pascal). To convert, multiply by that factor.