ksi

Units & Measurements abbreviation · Engineering Unit

ksi
Stands forKilopounds per square inch
CategoriesUnits & Measurements

ksi stands for Kilopounds per square inch, an engineering unit abbreviation.

A thousand psi, the US unit for material strength and stress in structural and mechanical engineering. Common A36 structural steel has a minimum yield strength of 36 ksi, and A992 wide-flange beams 50 ksi.

Example: The bolts are ASTM A325, with a minimum tensile strength of 120 ksi.

Usage notes

One ksi equals about 6.895 MPa. US steel grades are often named by yield strength in ksi, so Grade 60 rebar yields at 60 ksi. The modulus of elasticity of steel is about 29,000 ksi.

More engineering unit abbreviations

  • km/h – Kilometers per hour
  • km/L – Kilometers per liter
  • kmph – Kilometers per hour
  • kn – Knot
  • kPa – Kilopascal
  • kph – Kilometers per hour
  • kt – Knot (aviation)
  • kV – Kilovolt
  • kVA – Kilovolt-ampere
  • kW – Kilowatt
  • kWh – Kilowatt-hour
  • kWp – Kilowatt-peak

See all 103 engineering unit abbreviations →

Edited by the AbbreviationList.com team. Spotted an error or a missing meaning? Contact us.