PSI to KSI
Convert PSI to KSI instantly. Free online pressure unit converter with exact formula, conversion table and FAQ.
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Formula
ksi = psi × 0.001
psi = ksi × 1000
Conversion table
| 1 psi | 0.001 ksi |
| 5 psi | 0.005 ksi |
| 10 psi | 0.01 ksi |
| 20 psi | 0.02 ksi |
| 50 psi | 0.05 ksi |
| 100 psi | 0.1 ksi |
| 500 psi | 0.5 ksi |
| 1000 psi | 1 ksi |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the psi (psi). Pounds per square inch.
What is the destination unit in this conversion?
The destination unit is the ksi (ksi). Kips per square inch.
How do I convert psi to ksi?
Multiply the psi value by 0.001. For example, 10 psi × 0.001 = 0.01 ksi.
Is the psi to ksi conversion exact?
Yes. Both units are defined as fixed multiples of the pascal, the SI-derived unit of pressure, so the conversion factor follows directly from those exact definitions rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in psi needs to be compared with, or reported in, ksi, such as in engineering specifications, weather readings, tire pressure, or industrial and scientific work.
Can I convert ksi back to psi?
Yes. Multiply the ksi value by 1000 to get psi.
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About this conversion
This page converts psi (psi) to ksi (ksi) within the pressure converter.
Pounds per square inch. Kips per square inch.
The formula is ksi = psi × 0.001, based on each unit's fixed relationship to the pascal, the pressure converter's base unit.
The conversion is exact, since both units are tied to the pascal by a fixed numerical ratio rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common psi values already converted to ksi.