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Megapascals to PSI Converter

1 MPa = 145.0377377 psi. Type any value to convert megapascals to PSI.

1 MPa = 145.0377377 psi

Formula: psi = MPa × 145.0377377

Common values
Decimals
In every unit 13 units
Pascal (Pa) 1,000,000 Pa
Hectopascal (hPa) 10,000 hPa
Kilopascal (kPa) 1,000 kPa
Megapascal (MPa) 1 MPa
Millibar (mbar) 10,000 mbar
Bar (bar) 10 bar
Standard atmosphere (atm) 9.869232667 atm
Technical atmosphere (at) 10.19716213 at
Pound per square inch (psi) 145.0377377 psi
Millimeter of mercury (mmHg) 7,500.615758 mmHg
Torr (Torr) 7,500.616827 Torr
Inch of mercury (inHg) 295.2998016 inHg
Inch of water (inH₂O) 4,014.63076 inH₂O

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Megapascals to PSI table

Formula: psi = MPa × 145.0377377

Megapascal (MPa)Pound per square inch (psi)
0.1 MPa14.50377377 psi
0.25 MPa36.25943443 psi
0.5 MPa72.51886887 psi
1 MPa145.0377377 psi
2 MPa290.0754755 psi
3 MPa435.1132132 psi
4 MPa580.1509509 psi
5 MPa725.1886887 psi
6 MPa870.2264264 psi
7 MPa1,015.264164 psi
8 MPa1,160.301902 psi
9 MPa1,305.33964 psi
10 MPa1,450.377377 psi
12 MPa1,740.452853 psi
15 MPa2,175.566066 psi
20 MPa2,900.754755 psi
25 MPa3,625.943443 psi
30 MPa4,351.132132 psi
40 MPa5,801.509509 psi
50 MPa7,251.886887 psi
60 MPa8,702.264264 psi
75 MPa10,877.83033 psi
100 MPa14,503.77377 psi
150 MPa21,755.66066 psi
200 MPa29,007.54755 psi
250 MPa36,259.43443 psi
500 MPa72,518.86887 psi
1,000 MPa145,037.7377 psi

How to use: Megapascals to PSI

  1. 1 Type the value in megapascals.
  2. 2 The result in PSI appears at once – or type in the PSI field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of pressure.

About this tool

Megapascal (MPa) is a unit of pressure (SI); 1 MPa = 1,000,000 Pa. Pound per square inch (psi) is a unit of pressure (imperial and US customary); 1 psi = 6,894.757293 Pa.

To convert megapascals to PSI, multiply the value by 145.0377377 (psi = MPa × 145.0377377). Example: 2.5 MPa = 362.5943443 psi.

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Frequently asked questions

How do I convert megapascals to PSI?

To convert megapascals to PSI, multiply the value by 145.0377377: psi = MPa × 145.0377377. For example 2.5 MPa = 362.5943443 psi.

What is 1 MPa in PSI?

1 MPa = 145.0377377 psi. The other way round, 1 psi = 0.006894757293 MPa.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of pressure here?

Yes – choose any of the 13 units of pressure in the From and To lists, or switch to another measurement at the top.