STRUCTURAL
Pressure & stress
Pressure, material stress and fluid head.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result145.038 psi1 MPa = 145.038 psi
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MPa to psi Converter
Convert megapascal (MPa) to pound-force per square inch (psi). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through pascal
Enter a megapascal value to calculate pound-force per square inch with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| pascalfrom MPa | Pa | 1000000 |
| hectopascalfrom MPa | hPa | 10000 |
| kilopascalfrom MPa | kPa | 1000 |
| megapascalfrom MPa | MPa | 1 |
| gigapascalfrom MPa | GPa | 0.001 |
| millibarfrom MPa | mbar | 10000 |
| barfrom MPa | bar | 10 |
| standard atmospherefrom MPa | atm | 9.86923 |
| torrfrom MPa | Torr | 7500.62 |
| millimetre of mercuryfrom MPa | mmHg | 7500.62 |
| inch of mercury, conventionalfrom MPa | inHg | 295.3 |
| millimetre of water, conventionalfrom MPa | mmH₂O | 101972 |
| inch of water, conventionalfrom MPa | inH₂O | 4014.63 |
| pound-force per square footfrom MPa | psf | 20885.4 |
| pound-force per square inchfrom MPa | psi | 145.038 |
| kilopound-force per square inchfrom MPa | ksi | 0.145038 |
| kilogram-force per square centimetrefrom MPa | kgf/cm² | 10.1972 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
MPa to psi Conversion Reference
Megapascal (MPa) and pound-force per square inch (psi) are units of pressure & stress. Use this page to convert in either direction.
Conversion Examples
| Megapascal (MPa) | Pound-force Per Square Inch (psi) |
|---|---|
| 1 MPa | 145.038 psi |
| 5 MPa | 725.189 psi |
| 10 MPa | 1450.38 psi |
| 100 MPa | 14503.8 psi |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
psi to MPa (pound-force per square inch to megapascal)
Related Pressure & stress Conversions
MPa to Pa (megapascal to pascal)MPa to hPa (megapascal to hectopascal)MPa to kPa (megapascal to kilopascal)MPa to GPa (megapascal to gigapascal)MPa to mbar (megapascal to millibar)MPa to bar (megapascal to bar)MPa to atm (megapascal to standard atmosphere)MPa to Torr (megapascal to torr)MPa to mmHg (megapascal to millimetre of mercury)MPa to inHg (megapascal to inch of mercury, conventional)MPa to mmH₂O (megapascal to millimetre of water, conventional)MPa to inH₂O (megapascal to inch of water, conventional)MPa to psf (megapascal to pound-force per square foot)MPa to ksi (megapascal to kilopound-force per square inch)MPa to kgf/cm² (megapascal to kilogram-force per square centimetre)