Convert PSI to Kilopascals
No popups. No autoplay ads. Accurate answers with formulas shown.
Science
About Pressure Conversions
Pressure units span diverse fields: pascals dominate engineering, atmospheres and bars are used in diving and industrial applications, millimeters of mercury (mmHg) are standard in medicine for blood pressure, and pounds per square inch (PSI) are ubiquitous in tire pressure and pneumatic systems. Weather reports use hectopascals (millibars) or inches of mercury depending on the region. Converting between these units accurately is safety-critical in applications like dive planning, where pressure miscalculations can be life-threatening.
Quick Conversions
| Unit Name | Symbol | Per 1 PSI |
|---|---|---|
| Atmosphere | atm | 0.068046 |
| Bar | bar | 0.0689476 |
| Inch of Mercury | inHg | 2.03602 |
| Kilopascal | kPa | 6.89476 |
| Megapascal | MPa | 0.00689476 |
| Millibar | mbar | 68.9476 |
| Millimeter of Mercury | mmHg | 51.7151 |
| Pascal | Pa | 6894.76 |
| PSI | psi | 1 |
| Torr | Torr | 51.7151 |
Frequently Asked Questions
How do I convert PSI to Kilopascals?
To convert PSI to Kilopascals, use the conversion where 1 PSI (psi) = 6.89476 Kilopascals (kPa). For example, 1 PSI = 6.89476 Kilopascals.
What are common PSI to Kilopascal conversions?
Here are common conversions: 1 PSI = 6.89476 Kilopascals, 5 PSI = 34.4738 Kilopascals, 10 PSI = 68.9476 Kilopascals, 25 PSI = 172.369 Kilopascals, 50 PSI = 344.738 Kilopascals, 100 PSI = 689.476 Kilopascals.
When would I need to convert PSI to Kilopascals?
Pressure conversions are critical in weather forecasting (millibars to inches of mercury), tire maintenance (PSI to bar), diving calculations (atmospheres), industrial engineering (pascals), and medical applications (mmHg for blood pressure).
How precise are the conversions?
All conversions use exact factors verified against NIST and ISO standards with up to 10 significant figures of precision. Results are calculated using IEEE 754 double-precision arithmetic, which provides approximately 15-17 significant digits. For temperature and other non-linear conversions, exact formulas are used rather than approximations.