Pressure
ksitoMPa
Convert kilopounds-force per square inch (ksi) to megapascals (MPa).
Factor1 ksi = 6.894757 MPa
Converter
ksi
Accepts numbers or expressions, e.g. 150 + 14.7
Result
MPa
Rendered to 6 significant figures.
Formula
Formula
MPa = ksi × 6.894757
Multiply any value in kilopounds-force per square inch by 6.894757 to obtain the value in megapascals.
Worked example
Convert 1 ksi to MPa.
- 01Start with 1 ksi.
- 02Multiply by the conversion factor: 1 × 6.894757 = 6.89476 MPa.
Result1 ksi = 6.89476 MPa
Conversion table
| ksi | MPa |
|---|---|
| 1 | 6.8948 |
| 2 | 13.79 |
| 5 | 34.474 |
| 10 | 68.948 |
| 20 | 137.9 |
| 50 | 344.74 |
| 100 | 689.48 |
| 200 | 1379 |
| 500 | 3447.4 |
| 1000 | 6894.8 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from ksi to MPa?
1 ksi equals 6.894757 MPa. To convert, multiply the value in kilopounds-force per square inch by 6.894757.
How do I convert 1 ksi to MPa?
1 ksi = 6.89476 MPa. For any value, multiply by 6.894757.
How do I convert MPa back to ksi?
Divide by the same factor — or equivalently, multiply by 0.1450377. So 1 MPa = 0.145038 ksi.
When would I need to convert kilopound-force per square inch to megapascal?
Pressure conversions between ksi and MPa are common when working with mixed-vendor instrumentation, when piping codes use different units to process datasheets, or when converting field readings into SI for hydraulic calculations.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).