Convert Kilopascals to PSI
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 Kilopascal |
|---|---|---|
| Atmosphere | atm | 0.00986923 |
| Bar | bar | 0.01 |
| Inch of Mercury | inHg | 0.2953 |
| Kilopascal | kPa | 1 |
| Megapascal | MPa | 0.001 |
| Millibar | mbar | 10 |
| Millimeter of Mercury | mmHg | 7.50064 |
| Pascal | Pa | 1000 |
| PSI | psi | 0.145038 |
| Torr | Torr | 7.50064 |
Frequently Asked Questions
How do I convert Kilopascals to PSI?
To convert Kilopascals to PSI, use the conversion where 1 Kilopascal (kPa) = 0.145038 PSI (psi). For example, 1 Kilopascal = 0.145038 PSI.
What are common Kilopascal to PSI conversions?
Here are common conversions: 1 Kilopascals = 0.145038 PSI, 5 Kilopascals = 0.725189 PSI, 10 Kilopascals = 1.45038 PSI, 25 Kilopascals = 3.62594 PSI, 50 Kilopascals = 7.25189 PSI, 100 Kilopascals = 14.5038 PSI.
When would I need to convert Kilopascals to PSI?
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.