Stress
MpsitoN/mm²
Convert megapounds-force per square inch (stress) (Mpsi) to newtons per square millimetre (stress) (N/mm²).
Factor1 Mpsi = 6894.757 N/mm²
Converter
Mpsi
Accepts numbers or expressions, e.g. 150 + 14.7
Result
N/mm²
Rendered to 6 significant figures.
Formula
Formula
N/mm² = Mpsi × 6894.757
Multiply any value in megapounds-force per square inch (stress) by 6894.757 to obtain the value in newtons per square millimetre (stress).
Worked example
Convert 29 Mpsi to N/mm².
- 01Start with 29 Mpsi.
- 02Multiply by the conversion factor: 29 × 6894.757 = 199948 N/mm².
Result29 Mpsi = 199948 N/mm²
Conversion table
| Mpsi | N/mm² |
|---|---|
| 1 | 6894.8 |
| 2 | 13790 |
| 5 | 34474 |
| 10 | 68948 |
| 20 | 1.3790e+5 |
| 50 | 3.4474e+5 |
| 100 | 6.8948e+5 |
| 200 | 1.3790e+6 |
| 500 | 3.4474e+6 |
| 1000 | 6.8948e+6 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from Mpsi to N/mm²?
1 Mpsi equals 6894.757 N/mm². To convert, multiply the value in megapounds-force per square inch (stress) by 6894.757.
How do I convert 1 Mpsi to N/mm²?
1 Mpsi = 6894.76 N/mm². For any value, multiply by 6894.757.
How do I convert N/mm² back to Mpsi?
Divide by the same factor — or equivalently, multiply by 0.0001450377. So 1 N/mm² = 0.000145038 Mpsi.
When would I need to convert megapound-force per square inch (stress) to newton per square millimetre (stress)?
Stress conversions between Mpsi and N/mm² are routine in mechanics-of-materials work: yield, ultimate and allowable-stress specification, Young's-modulus tables and structural-design code calculations. MPa and N/mm² dominate ISO and European datasheets, psi and ksi dominate US structural codes, and kgf/cm² and kgf/mm² appear in legacy JIS and heavy-engineering documentation. Stress is the same physical dimension as pressure but a different engineering quantity — this category is mechanics-of-materials, not process pressure.
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).
Related conversions
- N/mm² → Mpsinewton per square millimetre (stress) → megapound-force per square inch (stress)
- Pa → N/mm²pascal (stress) → newton per square millimetre (stress)
- N/mm² → Panewton per square millimetre (stress) → pascal (stress)
- MPa → N/mm²megapascal (stress) → newton per square millimetre (stress)
- N/mm² → MPanewton per square millimetre (stress) → megapascal (stress)
- GPa → N/mm²gigapascal (stress) → newton per square millimetre (stress)