Kilopascals to Pounds per Square Inch Converter
1 kilopascal ≈ 0.145037738 pounds per square inch
1 kilopascal equals 0.145038 pounds per square inch
How to convert kilopascals to pounds per square inch
Unit conversion preserves the pressure reference. Gauge pressure and absolute pressure are different readings; changing between them also needs the ambient pressure. Mercury and water-column units use the conventions stated in their unit notes.
psi = kPa × 0.1450377377One kilopascal is 0.1450377377 pounds per square inch, so a single multiplication converts any value.
1.45038 psi ≈ 10 × 0.1450377377Kilopascals to pounds per square inch conversion table
Common values in kilopascals, converted to pounds per square inch.
| Kilopascals (kPa) | Pounds per square inch (psi) |
|---|---|
| 1 | 0.14503774 |
| 2 | 0.29007548 |
| 3 | 0.43511321 |
| 4 | 0.58015095 |
| 5 | 0.72518869 |
| 10 | 1.4503774 |
| 20 | 2.9007548 |
| 25 | 3.6259434 |
| 50 | 7.2518869 |
| 100 | 14.503774 |
| 250 | 36.259434 |
| 500 | 72.518869 |
| 1,000 | 145.03774 |
About these units
kilopascalkPa
One thousand pascals. The metric standard for tyre pressure.
pound per square inchpsi
One pound-force per square inch. The US standard for tyre and fluid pressure.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.