PSI to KSI Converter

Convert between pounds per square inch (psi) and kilopounds per square inch (ksi) for pressure and stress measurements in engineering applications

Standard pressure unit
High pressure/stress unit
Enter a value to see the conversion result

Pressure Reference

PSI ⇔ KSI
1,000 psi ⇔ 1 ksi
5,000 psi ⇔ 5 ksi
10,000 psi ⇔ 10 ksi
50,000 psi ⇔ 50 ksi
100,000 psi ⇔ 100 ksi
200,000 psi ⇔ 200 ksi

Engineering Applications

Material Strength:
• Aluminum: 10-70 ksi (10,000-70,000 psi)
• Steel: 36-200 ksi (36,000-200,000 psi)
• Concrete: 3-8 ksi (3,000-8,000 psi)
• Titanium: 130-200 ksi
System Pressures:
• Hydraulic systems: 1-10 ksi
• Pneumatic systems: 50-200 psi
• High-pressure vessels: 1-50 ksi
• Industrial processes: 100-5,000 psi
Testing Standards:
• Tensile testing: 10-300 ksi
• Pressure testing: 1-100 ksi
• Burst pressure: 5-200 ksi
• Safety factors: 2-10x working pressure

Pressure Units

  • psi: Pounds per square inch
  • ksi: Kilopounds per square inch
  • Conversion: 1 ksi = 1,000 psi
  • Also written: kips/in²

Usage Tips

  • psi for general pressures
  • ksi for high stress/strength
  • Check material specs
  • Consider safety margins

Applications

  • Structural: Material design
  • Mechanical: Stress analysis
  • Testing: Strength evaluation
  • Manufacturing: Quality control