Megapascal to PSI Converter
Convert megapascals to pounds per square inch instantly with a pressure calculator built for engineering checks, tire pressure, HVAC work, barometric readings, hydraulics, and technical reference.
MPa to psi Calculator
Enter a pressure value and get the converted result automatically.
Result updates automatically.
Formula: pounds per square inch = megapascals × 145.0377377302
How to Convert Megapascal to PSI
Use the standard pressure conversion factor: multiply megapascals by 145.0377377302 to get pounds per square inch. This reference is useful for tire pressure, industrial gauges, weather data, medical readings, fluid systems, and scientific calculations.
1 megapascal
145.0377377302 pounds per square inch
10 megapascals
1450.3773773022 pounds per square inch
100 megapascals
14503.7737730217 pounds per square inch
Pressure Formula Notes
The calculator converts through pascals as the SI base pressure unit, then formats the result for the selected output unit.
MPa to PSI Converter FAQ
How do I convert MPa to psi?
Multiply the MPa value by 145.0377377302 to get psi. The calculator performs this automatically and keeps useful precision.
Which pressure units are supported?
This tool supports psi, bar, kPa, Pa, MPa, mmHg, and standard atmosphere units for common engineering and measurement tasks.
Can I reverse the pressure conversion?
Yes. Use the swap button to reverse the selected units and convert psi back to MPa.