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How many psi in 1 MPa?
The answer is 145.037738007.
We assume you are converting between pound/square inch and megapascal.
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psi or MPa
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.000145037738007 psi, or 1.0E-6 MPa.
Note that rounding errors may occur, so always check the results.
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The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/inē or lbf/inē) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megapascal = 106 pascals.
The definition of a pascal is as follows:
The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.
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