PSI to Megapascal Converter

Convert psi to megapascal easily (Imperial to SI)

Pound per Square Inch to Megapascal Conversion
Pound per Square Inch (psi) Imperial
Megapascal (MPa) SI
Common Pressure Values
Pressure Equivalents
1 atm = 101.325 kPa
1 bar = 100 kPa = 14.5 psi
1 psi = 6.89476 kPa
1 mmHg = 133.322 Pa
Conversion Result
1 psi = 0.006895 MPa
1 psi = 0.00689476 MPa
Exact Value
0.00689476
Rounded
0.01
Imperial to SI Conversion
Imperial ↔ SI
Unit Comparison
From Unit
Pound per Square Inch (psi)
System: Imperial
To Unit
Megapascal (MPa)
System: SI
Quick Reference
1 psi = In Other Units
6,894.760000 Pa
68.947600 hPa
6.894760 kPa
0.006895 MPa
0.068948 bar
68.947600 mbar
0.001000 ksi
0.068046 atm
51.715096 Torr
51.715096 mmHg
2.036021 inHg

Related Pressure Conversions

5 kPa
0.01 MPa
S S
100 kPa
0.1 MPa
S S
15 psi
775.73 mmHg
I M
200 atm
20.27 MPa
S S
15 Pa
0 MPa
S S
50 psi
101.8 inHg
I I
300 psi
20.41 atm
I S
30 bar
3 MPa
M S
300 Pa
0 MPa
S S
150 atm
15.2 MPa
S S

PSI to Megapascal Converter | Pressure Converter

Convert 1 PSI to mpa. 1 PSI = 0.0069 mpa. Easy pressure conversion calculator for psi to mpa. Accurate results for pressure, stress, vacuum conversion.

Pound per Square Inch to Megapascal Conversion

Convert pound per square inch to megapascal easily with our accurate pressure conversion calculator. Whether you're working on a project that requires imperial to metric conversions or need to understand pressure measurements in different units, our tool provides instant results.

Conversion Formula

1 psi = 0.00689476 MPa

To convert pound per square inch to megapascal, multiply the pound per square inch value by 0.00689476.

Common Pound per Square Inch to Megapascal Conversions

Pound per Square Inch (psi) = Megapascal (MPa)
1 0.0069
5 0.0345
10 0.0689
15 0.1034
20 0.1379
30 0.2068
50 0.3447
100 0.6895
200 1.379
300 2.0684
500 3.4474
1000 6.8948
1013.25 6.9861

Understanding Pound per Square Inch and Megapascal

Pound per Square Inch (psi)

The pound per square inch is a unit of pressure in the Imperial system.

• 1 PSI = 6.89476 kPa

• 1 PSI = 0.0689476 bar

• Common for tire pressure in the US

• Used in hydraulic systems and plumbing

Megapascal (MPa)

The megapascal is a unit of pressure in the SI system.

• Used for material strength testing

• Common in hydraulic presses

• Used in industrial machinery

• Standard for high-pressure engineering

Imperial to SI Conversion

You are converting from a imperial unit to a si unit. This is a common conversion needed when:

  • Working with international equipment specifications
  • Using tools or vehicles from different countries
  • Following international standards and regulations
  • Collaborating on international projects
  • Converting medical or scientific data

Practical Examples

Everyday Use
Professional Use

Conversion Tips

Quick Mental Calculation

For approximate conversions, remember these quick multipliers:

For Precise Calculations

Always use our converter tool or the exact conversion factor:

1 psi = 0.00689476 MPa