Handy Units
PSI to kPapsi → kPa
1 psi = 6.89476 kPa · 1 kPa = 0.145038 psi
Formula
kPa ≈ psi × 6.89476
Example: 33 psi = 33 × 6.89476 = 227.527 kPa
These units differ only by a fixed factor: multiply by it to convert, divide to go back. The factors are exact international definitions (for example 1 inch = 2.54 cm exactly); results are rounded only for display.
PSI and kPa chart
| PSI (psi) | kPa (kPa) |
|---|---|
| 1 psi | 6.89476 kPa |
| 10 psi | 68.9476 kPa |
| 20 psi | 137.895 kPa |
| 28 psi | 193.053 kPa |
| 30 psi | 206.843 kPa |
| 32 psi | 220.632 kPa |
| 33 psi | 227.527 kPa |
| 35 psi | 241.317 kPa |
| 36 psi | 248.211 kPa |
| 40 psi | 275.79 kPa |
| 50 psi | 344.738 kPa |
| 100 psi | 689.476 kPa |
| kPa (kPa) | PSI (psi) |
|---|---|
| 100 kPa | 14.5038 psi |
| 180 kPa | 26.1068 psi |
| 200 kPa | 29.0075 psi |
| 220 kPa | 31.9083 psi |
| 230 kPa | 33.3587 psi |
| 240 kPa | 34.8091 psi |
| 250 kPa | 36.2594 psi |
| 260 kPa | 37.7098 psi |
| 280 kPa | 40.6106 psi |
| 300 kPa | 43.5113 psi |
About these units
Pound per square inch (psi)Pounds per square inch, the US unit for tire pressure: 1 psi ≈ 6.895 kPa.
Kilopascal (kPa)1 kPa = 1,000 Pa. Many car door labels list tire pressure in kPa, such as 250 kPa.
Questions
How many kPa are in 1 PSI?
1 psi = 6.89476 kPa.
How many PSI are in 1 kPa?
1 kPa = 0.145038 psi.