processconvert
Stress

Mpsitoksi

Convert megapounds-force per square inch (stress) (Mpsi) to kilopounds-force per square inch (stress) (ksi).

Factor1 Mpsi = 1000 ksi

Converter

Mpsi

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1000ksi

Rendered to 6 significant figures.

Formula

Formula
ksi = Mpsi × 1000

Multiply any value in megapounds-force per square inch (stress) by 1000 to obtain the value in kilopounds-force per square inch (stress).

Worked example

Convert 1 Mpsi to ksi.

  1. 01Start with 1 Mpsi.
  2. 02Multiply by the conversion factor: 1 × 1000 = 1000 ksi.
Result1 Mpsi = 1000 ksi

Conversion table

Mpsiksi
11000
22000
55000
1010000
2020000
5050000
1001.0000e+5
2002.0000e+5
5005.0000e+5
10001.0000e+6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from Mpsi to ksi?
1 Mpsi equals 1000 ksi. To convert, multiply the value in megapounds-force per square inch (stress) by 1000.
How do I convert 1 Mpsi to ksi?
1 Mpsi = 1000 ksi. For any value, multiply by 1000.
How do I convert ksi back to Mpsi?
Divide by the same factor — or equivalently, multiply by 0.001. So 1 ksi = 0.001 Mpsi.
When would I need to convert megapound-force per square inch (stress) to kilopound-force per square inch (stress)?
Stress conversions between Mpsi and ksi 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