KSI to PSI
Convert KSI to PSI instantly. Free online engineering unit converter with exact formula, conversion table and FAQ.
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Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
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Formula
psi = ksi × 1000
ksi = psi × 0.001
Conversion table
| 1 ksi | 1000 psi |
| 5 ksi | 5000 psi |
| 10 ksi | 10000 psi |
| 20 ksi | 20000 psi |
| 50 ksi | 50000 psi |
| 100 ksi | 100000 psi |
| 500 ksi | 500000 psi |
| 1000 ksi | 1000000 psi |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the KSI (ksi). Kips per square inch.
What is the destination unit in this conversion?
The destination unit is the PSI (psi). Pounds per square inch.
How do I convert KSI to PSI?
Multiply the KSI value by 1000. For example, 10 ksi × 1000 = 10000 psi.
Is the KSI to PSI conversion exact?
Yes. Both units belong to the same engineering measurement family (pressure and mechanical stress), so the ratio between them is a fixed, defined value rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in KSI needs to be compared with, or reported in, PSI, such as in engineering, scientific, or industrial calculations.
Can I convert PSI back to KSI?
Yes. Multiply the PSI value by 0.001 to get KSI.
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About this conversion
This page converts KSI (ksi) to PSI (psi) within the engineering converter.
Kips per square inch. Pounds per square inch.
The formula is psi = ksi × 1000, based on each unit's fixed relationship to the pressure and mechanical stress base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common KSI values already converted to PSI.