How to convert kilopascals to pounds per square inch
- Type a value in kilopascals into the converter above.
- The answer in pounds per square inch shows as you type. It uses the formula pounds per square inch = kilopascals × 0.1450377377.
- For example, 220 kPa is 31.91 psi.
About kilopascals and pounds per square inch
One kilopascal is 0.145038 psi. Multiply kPa by 0.145038, or divide by 6.89476, to get psi. Dividing by 7 gives a fast estimate that is about 1.5% low.
Cars sold outside the US often list tire pressures in kPa, while many gauges and air pumps only show psi. Weather maps work in hectopascals, and 10 hPa is 1 kPa.
Examples
- 220 kPa (a typical car tire pressure) is 31.91 psi
- 101.325 kPa (standard air pressure at sea level) is 14.7 psi
- 33.7 kPa (air pressure on the summit of Mount Everest) is 4.89 psi
- 100 kPa (one bar) is 14.5 psi
Kilopascals to pounds per square inch chart
| Kilopascals (kPa) | Pounds per square inch (psi) |
|---|---|
| 1 | 0.145 |
| 10 | 1.45 |
| 20 | 2.9 |
| 50 | 7.25 |
| 100 | 14.5 |
| 101.33 | 14.7 |
| 150 | 21.76 |
| 180 | 26.11 |
| 200 | 29.01 |
| 210 | 30.46 |
| 220 | 31.91 |
| Kilopascals (kPa) | Pounds per square inch (psi) |
|---|---|
| 230 | 33.36 |
| 240 | 34.81 |
| 250 | 36.26 |
| 260 | 37.71 |
| 280 | 40.61 |
| 300 | 43.51 |
| 350 | 50.76 |
| 400 | 58.02 |
| 500 | 72.52 |
| 700 | 101.53 |
| 1,000 | 145.04 |