Conversion tool

Convert pounds per square inch to kilopascals instantly

Enter a value, see the result, copy it, and save a PDF snapshot.

Input

Type a value, then press Enter to calculate.

Result

0.000 kPa

Digits 3

Rounded for readability. Use the arrows to increase or decrease the number of shown digits.

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Notes

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Disclaimer: Use calculations at your own risk. For critical applications, verify results against your governing standards/specifications.

How it works

We use kPa = psi x 6.89475729317.

Exact relationship: 1 psi = 6.89475729317 kPa.

Example: 10 psi = 68.948 kPa.

Notes: Results are rounded in the default view.

Examples

FAQ

What physical quantity do pounds per square inch and kilopascals express?

Pounds per square inch express pressure, meaning force distributed over an area rather than a simple force or distance quantity. Kilopascals express pressure at a smaller SI-derived scale useful for environmental, pneumatic, and moderate-pressure systems.

What is the difference between pounds per square inch and kilopascals?

Pounds per square inch and kilopascals both express pressure, but they belong to different technical conventions and are favored in different industries and regional documentation systems.

What is the history of the pound per square inch?

PSI developed from customary force and area units and remains deeply embedded in U.S. pneumatics, hydraulics, tire pressure, and industrial equipment references.

What is the history of the kilopascal?

Kilopascals derive from the SI pascal and became common in weather, HVAC, gas, and moderate-pressure engineering contexts.

Were the pound per square inch and kilopascal discovered by a specific person?

PSI was not discovered by a single person; it emerged from established customary force and area units used together as a pressure measure. The kilopascal is a standardized SI-derived unit rather than a one-person discovery.

Where are pounds per square inch and kilopascals used in science and engineering?

PSI is common in hydraulics, pneumatics, pressure gauges, compressors, tire service, and U.S.-oriented industrial documentation. kPa is used in weather, vacuum and gas systems, HVAC, tire data, and metric-first pressure instrumentation.

Why do pressure units matter in calculations?

Pressure units affect equipment ratings, seal selection, material limits, safety settings, and process controls. Keeping the unit visible helps prevent dangerous unit mistakes.

Can I trust this for critical calculations?

Use this for convenience and verify against your governing standard, equipment manual, or controlled specification for critical work. Pressure interpretation and safe limits depend on the system context.

References