Conversion Formula
$$P_{\text{psi}} = P_{\text{kPa}} \times 0.145038$$
Multiply the pressure in kPa by 0.145038 to get PSI.
kPa to psi Conversion Table
| Kilopascal (kPa) | Pound per Square Inch (psi) |
|---|---|
| 0.1 | 0.0145038 |
| 0.5 | 0.0725189 |
| 1 | 0.145038 |
| 2 | 0.290075 |
| 5 | 0.725189 |
| 10 | 1.45038 |
| 25 | 3.62594 |
| 50 | 7.25189 |
| 100 | 14.5038 |
| 250 | 36.2594 |
| 500 | 72.5189 |
| 1,000 | 145.038 |
kPa to psi in Engineering
Pressure conversions are essential across all engineering disciplines — from structural loads (PSI, ksi) to fluid systems (feet of water, mmHg) to atmospheric science (atm, mbar). Accurate pressure conversion is critical for piping design, HVAC, and geotechnical analysis.
Kilopascal: Common metric pressure unit. 1 kPa = 1000 Pa. Widely used in geotechnical engineering and international building codes.
Pound per Square Inch: Primary US customary pressure unit. Used extensively in mechanical, civil, and petroleum engineering in the United States.