Pound/sq inch to Kilopound/sq inch Converter
Convert Pound/sq inch (psi) to Kilopound/sq inch (ksi) instantly. 1 psi = 0.001 ksi.
Pressure Converter
29 units available
1 psi = 0.001 ksi
Formula:
ksi = psi × 0.001With your value: 1 psi = 0.001 ksi
Other Pound/sq inch to Kilopound/sq inch conversions
Pound/sq inch to Kilopound/sq inch Conversion Table
| Pound/sq inch (psi) | Kilopound/sq inch (ksi) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
Kilopound/sq inch to Pound/sq inch Conversion Table
| Kilopound/sq inch (ksi) | Pound/sq inch (psi) |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1000 | 1,000,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Pound/sq inch (psi)
Pressure
1 psi = 1 lbf/in² = 6894.757 293 168 361 Pa exactly.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Kilopound/sq inch (ksi)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Pound/sq inch to Kilopound/sq inch
To convert from Pound/sq inch (psi) to Kilopound/sq inch (ksi), multiply the value by 0.001.
Formula: ksi = psi × 0.001
Reverse: psi = ksi × 1,000
Step-by-Step Example
- Start with your value in Pound/sq inch. For example: 5 psi
- Multiply by the conversion factor: 5 x 0.001
- The result is: 0.005 ksi
About Pound/sq inch
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
Common uses: tire pressure (US), hydraulics, HVAC.
About Kilopound/sq inch
The kilopound/sq inch (ksi) is a unit of pressure and stress. One kilopound/sq inch equals 6.894757 × 10^+6 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
Frequently Asked Questions
How many Kilopound/sq inch are in 1 Pound/sq inch?
There are exactly 0.001 Kilopound/sq inch in 1 Pound/sq inch. This means the conversion factor from Pound/sq inch to Kilopound/sq inch is 0.001.
What is the formula to convert Pound/sq inch to Kilopound/sq inch?
The formula to convert Pound/sq inch to Kilopound/sq inch is: ksi = psi × 0.001. For example, to convert 10 Pound/sq inch to Kilopound/sq inch, you would multiply 10 by 0.001.
What is a Pound/sq inch?
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
What is a Kilopound/sq inch?
The kilopound/sq inch (ksi) is a unit of pressure and stress. One kilopound/sq inch equals 6.894757 × 10^+6 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Pound/sq inch?
The Pound/sq inch is commonly used in tire pressure (US), hydraulics, HVAC.
Related Pressure Conversions
Cite this page
UnitConvertLab. (2026). Pound/sq inch to Kilopound/sq inch converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/psi-to-ksi