Megapascals to ksi Converter
Enter the pressure in megapascals below to convert it to ksi.
Convert Megapascals to ksi
Enter a value in megapascals (MPa) to convert to ksi (ksi).
Megapascal to Kilopounds per Square Inch Conversion Table
Table showing various megapascal measurements converted to ksi. Click any preset value or arrow to load it into the converter.
| Megapascals (MPa) | ksi (ksi) |
|---|---|
| 1 MPa | 0.1450377 ksi |
| 2 MPa | 0.2900755 ksi |
| 5 MPa | 0.7251887 ksi |
| 10 MPa | 1.4503774 ksi |
| 15 MPa | 2.1755661 ksi |
| 20 MPa | 2.9007548 ksi |
| 25 MPa | 3.6259434 ksi |
| 30 MPa | 4.3511321 ksi |
| 50 MPa | 7.2518869 ksi |
| 75 MPa | 10.8778303 ksi |
How to Convert Megapascals to ksi
To convert megapascals to ksi, multiply the pressure by the following conversion ratio: 0.1450377 ksi/megapascal.
Since one megapascal is equal to 0.1450377 ksi, you can use this simple formula to convert:
The pressure in ksi is equal to the pressure in megapascals multiplied by 0.1450377.
For example, here's how to convert 400 megapascals to ksi using the formula above.
How Many ksi Are in a Megapascal?
There are 0.1450377 ksi in a megapascal, which is why we use this value in the formula above.
Our megapascal to kilopounds per square inch calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Megapascals and ksi are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Megapascal?
A megapascal is a unit of pressure equal to 1,000,000 pascals (Pa), the base unit for pressure. Equal to 1,000,000 Pascals (identically 1 N/mm²). [1]
The megapascal is classified as an International System of Units (SI) unit of pressure. Megapascals can be abbreviated as MPa; for example, 1 megapascal can be written as 1 MPa.
In the metric system, "mega" is the standard SI prefix for millions, or 10⁶. This makes the megapascal (MPa) a convenient decimal multiple of the pascal (Pa).
In practice, megapascals (MPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Kilopounds per Square Inch?
A kilopounds per square inch is a unit of pressure equal to 6,894,757.293168 pascals (Pa), the base unit for pressure. Materials engineering yield strength unit equal to 1,000 PSI (6.89476 MPa). [2]
The kilopounds per square inch is classified as a US customary unit of pressure. ksi can be abbreviated as ksi; for example, 1 kilopounds per square inch can be written as 1 ksi.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilopounds per square inch (ksi) a convenient decimal multiple of the pascal (Pa).
In practice, ksi (ksi) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within US customary workflows, engineering documentation, and technical data sheets.
When converting pressure between megapascals (MPa) and ksi (ksi), keep full floating-point precision (1 MPa = 0.1450377 ksi; 1 ksi = 6.8947573 MPa) during intermediate calculations and round only the final kilopounds per square inch figure to match your instrument tolerance.
More Megapascal & Kilopounds per Square Inch Conversions
Need to calculate in the opposite direction? Use our ksi to megapascals converter (ksi to MPa) to switch your starting unit immediately. You can also explore related tools such as converting megapascals to psi, converting megapascals to pascals, or converting psi to bars.
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Megapascals (MPa) to ksi (ksi)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Megapascal (MPa) & Kilopounds per Square Inch (ksi) (ksi)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (MPa to ksi)