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Pressure

Megapascal to Pound per Square Inch Converter

Convert Megapascal to Pound per Square Inch with the exact formula, a worked example and a quick conversion table.

Smart input
Examples:2500 meters to kilometers50 psi to bar100 fahrenheit to celsius
Reverse conversion: Pound per Square Inch to Megapascal

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Conversion formula

The exact formula applied:

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Conversion formula

psi = MPa Γ— 145.03773773

MPa = psi Γ· 145.03773773

Worked example

1 MPa = 145.03774 psi

psi = MPa Γ— 145.03773773

In civil engineering MPa is used for concrete strength (and MPa = N/mmΒ²), kgf/cmΒ² for design stresses, and psi/bar in mechanical systems.

Quick conversion table

Megapascal (MPa)Pound per Square Inch (psi)
0.0010.1450377
0.011.45038
0.114.50377
1145.03774
101,450.38
10014,503.77
1,000145,037.74

Reverse conversion table

Pound per Square Inch (psi)Megapascal (MPa)
0.0010.0000068948
0.010.0000689476
0.10.0006894757
10.0068948
100.0689476
1000.6894757
1,0006.89476

About the two units

MPaMegapascal

One million pascals, exactly equal to N/mmΒ², used for concrete strength.

1 MPa = 1.000000e+06 Pa

SI Derived Unit Pressure

psiPound per Square Inch

Pounds per square inch.

1 psi = 6894.75729317 Pa

Non-SI Unit Pressure

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Related conversions

Megapascal β†’ BarMegapascal β†’ KilopascalBar β†’ Pound per Square InchPound per Square Inch β†’ BarBar β†’ KilopascalPascal β†’ KilopascalPound per Square Inch β†’ KilopascalKilogram-force per square centimetre β†’ MegapascalStandard Atmosphere β†’ BarKilopascal β†’ Millimeter of MercuryBar β†’ Millibar

Common engineering conversions

Megapascal ↔ Pound per Square InchMegapascal ↔ BarKilogram-force per square centimetre ↔ MegapascalPound per Square Inch ↔ BarMPa = N/mmΒ² (identical)Kilonewton ↔ NewtonKilonewton ↔ Kilogram-forceCubic Meter ↔ Cubic FootSquare Meter ↔ Square FootKilogram per Cubic Meter ↔ Pound per Cubic FootMillimeter ↔ InchCentimeter ↔ InchMeter ↔ FootNewton-metre ↔ Pound-force-footCubic Meter per Second ↔ Cubic Meter per Hour

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πŸ—οΈ Working on construction quantities? Try the Civil Calculator.

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Conversion history