Online calculator to convert pounds per square inch to megapascals (psi to MPa) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Pressure units.
Conversion Calculator
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Convert psi to MPa
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between psi and megapascals.
What is pounds per square inch (psi)?
Pounds per square inch (or pound-force per square inch) is a non-SI unit of Pressure. The symbol for pounds per square inch is psi or lbf/in2. There are 145.0377 psi in a megapascal.
What is a megapascal (MPa)?
A megapascal is a unit of Pressure in the International System of Units (SI). The symbol for megapascal is MPa. There are 0.00689475729 megapascals in a psi.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from psi to MPa is:
MPa = psi x 0.00689475729
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from pounds per square inch to megapascals (psi to MPa).
Psi to Megapascal Conversion Example
Task: Convert 750 psi to megapascals (show work) Formula: psi x 0.00689475729 = MPa Calculations: 750 psi x 0.00689475729 = 5.17106797 MPa Result: 750 psi is equal to 5.17106797 MPa
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from psi to MPa.
Psi to Megapascals Conversion Chart
pounds per square inch (psi) | megapascals (MPa) |
---|---|
1 psi | 0.00689476 MPa |
2 psi | 0.01378951 MPa |
3 psi | 0.02068427 MPa |
4 psi | 0.02757903 MPa |
5 psi | 0.03447379 MPa |
6 psi | 0.04136854 MPa |
7 psi | 0.0482633 MPa |
8 psi | 0.05515806 MPa |
9 psi | 0.06205282 MPa |
10 psi | 0.06894757 MPa |
20 psi | 0.13789515 MPa |
30 psi | 0.20684272 MPa |
40 psi | 0.27579029 MPa |
50 psi | 0.34473786 MPa |
75 psi | 0.5171068 MPa |
100 psi | 0.68947573 MPa |
250 psi | 1.72368932 MPa |
500 psi | 3.44737865 MPa |
750 psi | 5.17106797 MPa |
1,000 psi | 6.89475729 MPa |
2,500 psi | 17.23689323 MPa |
5,000 psi | 34.47378645 MPa |
7,500 psi | 51.71067968 MPa |
10,000 psi | 68.9475729 MPa |
25,000 psi | 172.36893225 MPa |
50,000 psi | 344.7378645 MPa |
75,000 psi | 517.10679675 MPa |
100,000 psi | 689.475729 MPa |
250,000 psi | 1,723.6893225 MPa |
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