Pressure Converter

Convert between common and industrial pressure units.

Pressure
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Related Conversions
30 psi to MPa 45 psi to MPa 60 psi to MPa 100 psi to MPa 120 psi to MPa 180 psi to MPa 300 psi to MPa 440 psi to MPa 500 psi to MPa 700 psi to MPa 2,000 psi to MPa 5,000 psi to MPa
Reverse Conversions
0.5 MPa to psi 15 MPa to psi 35 MPa to psi 48.4 MPa to psi 50 MPa to psi 65 MPa to psi 88 MPa to psi 106 MPa to psi 176 MPa to psi 180 MPa to psi 300 MPa to psi 5,000 MPa to psi
More Pressure Conversions
1 Torr to Pa 1 atm to kPa 1 atm to psi 5 atm to kPa 10 bar to kPa 10 bar to psi 20 bar to psi 30 inHg to kPa 30 psi to bar 35 psi to bar 100 kPa to psi 101.325 kPa to atm

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Common Benchmarks

Hydraulic system 2000 psi
Scuba tank 3000 psi
Blood pressure systolic 120 mmHg
Storm center 950 hPa
Pressure cooker 15 psi
Car tire 32 psi

Formula

MPa = psi × 0.0068947573

Example

Example: convert 44 pounds per square inch to megapascals.

44 psi = 0.30336932 MPa

Conversion table

pounds per square inch (psi) megapascals (MPa)
1 psi 0.00689476 MPa
2 psi 0.01378951 MPa
5 psi 0.03447379 MPa
10 psi 0.06894757 MPa
20 psi 0.13789515 MPa
50 psi 0.34473786 MPa
100 psi 0.68947573 MPa

Explanation

These are both units.

How to convert pounds per square inch to megapascals

  1. Start with the value in pounds per square inch (psi).
  2. Multiply it by 0.0068947573.
  3. The result is the measurement in megapascals (MPa).

Example: 44 psi → 0.30336932 MPa

Frequently Asked Questions

How much is 44 pounds per square inch in megapascals?

44 pounds per square inch is about 0.303369 megapascals.

How many megapascals is 1 pound per square inch?

1 pound per square inch is about 0.006895 megapascals.

How many pounds per square inch is 1 megapascal?

1 megapascal is about 145.037738 pounds per square inch.

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

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

Where are pounds per square inch and megapascals used?

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

Why does 1 pound per square inch equal 0.006895 megapascals?

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