PSI and MPa
Convert in both directions from a single tool.
PSI to MPa Converter
Convert PSI to MPa and MPa to PSI in seconds. Enter any value — for example 1,000, 2,500 or 3,000 PSI — and view additional equivalents in kPa, bar and kgf/cm².
Multiple units
View additional results in kPa, bar and kgf/cm².
Construction use
Interpret strength and pressure specifications in different systems.
Free online tool
PSI to MPa & MPa to PSI Converter
Convert PSI to MPa or MPa to PSI and view additional equivalents in kPa, bar and kgf/cm².
Examples: 1,000 PSI = 6.8948 MPa · 2,500 PSI = 17.2369 MPa · 25 MPa = 3,625.94 PSI
Common conversions
| PSI | MPa |
|---|---|
| 100 | 0.68948 |
| 500 | 3.44738 |
| 1,000 | 6.89476 |
| 2,500 | 17.23689 |
| 3,000 | 20.68427 |
| 4,000 | 27.57903 |
| 5,000 | 34.47379 |
The tool uses international conversion factors. For structural design, material testing, hydraulic pressure or technical specifications, verify the units and tolerances required by the applicable standard.
How to convert PSI to MPa and MPa to PSI
PSI means pounds per square inch and represents force applied over an area measured in square inches.
MPa means megapascal. One megapascal is equal to one million pascals.
Both units may be used to express pressure, stress or strength, although they belong to different measurement systems.
PSI to MPa
MPa = PSI × 0.006894757293168
MPa to PSI
PSI = MPa × 145.03773773
3,000 PSI to MPa: conversion example
Original value
Pressure3,000 PSI
Factor0.006894757293168
ConversionPSI to MPa
Result
The calculation is:
3,000 × 0.006894757293168
The approximate result is:
20.684 MPa
It is also approximately equal to 20,684 kPa and 206.84 bar.
Concrete strength
Concrete compressive strength may be expressed in PSI or MPa depending on the country, standard or technical document.
Conversion allows the values to be compared, but it does not change the material properties.
Pressure and stress
PSI and MPa express force distributed over an area.
They may appear in material specifications, test results, hydraulic equipment, pneumatic systems, pipes and mechanical systems.
kPa, bar and kgf/cm²
The converter also displays additional units for easier comparison with technical sheets and equipment.
One MPa is equal to 1,000 kPa, 10 bar and approximately 10.1972 kgf/cm².
Does not replace a technical specification
Converting a value does not determine the pressure or strength required by a project.
Always use the values stated in approved drawings, calculations, test reports and specifications.
PSI and MPa in Panama projects
Documents and products used in Panama may express pressure or strength in metric or imperial units.
Conversion helps interpret technical sheets, laboratory results and specifications, but the unit defined in the project documents should be preserved.
Visit MG Architecture & EngineeringPSI and MPa questions
How many MPa are in one PSI?
One PSI is approximately equal to 0.006894757293168 MPa.
How many PSI are in one MPa?
One MPa is approximately equal to 145.03773773 PSI.
How do I convert PSI to MPa?
Multiply the PSI value by 0.006894757293168.
How do I convert MPa to PSI?
Multiply the MPa value by approximately 145.03773773.
How many MPa are 1,000 PSI?
One thousand PSI are approximately equal to 6.8948 MPa.
How many MPa are 2,500 PSI?
Two thousand five hundred PSI are approximately equal to 17.2369 MPa.
How many MPa are 3,000 PSI?
Three thousand PSI are approximately equal to 20.6843 MPa.
How many PSI are 25 MPa?
Twenty-five MPa are approximately equal to 3,625.94 PSI.
Why is concrete strength expressed in PSI or MPa?
Different countries, standards and technical documents use different measurement systems. PSI belongs to the imperial system, while MPa belongs to the International System of Units.
What does MPa mean for concrete strength?
MPa means megapascal. In this context, it is used to express stress or strength per unit area.
What other units does the converter display?
In addition to PSI and MPa, the tool displays equivalent values in kilopascals, bar and kilogram-force per square centimeter.
Does the conversion determine the required structural strength?
No. The tool only converts units. Required strength must come from project drawings, calculations and technical specifications.