Kilopascals to PSI Converter
Type a value in kilopascals to get it in psi, and see the reverse conversion.
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Kilopascals to PSI Converter by TheCalcTools
How the Kilopascals to PSI Converter works
One psi (pound-force per square inch) is 6,894.757 Pa. Tyre pressures are often printed in both kPa and psi: 220 kPa is about 32 psi.
To convert kilopascals to psi, multiply by 0.1450377377. The calculator shows the result to 6 significant figures; the conversion factor itself is exact by definition.
Quick estimate in your head: divide kPa by 7 (about 6.9 exactly).
The formula
Worked example
Using the default values shown in the calculator:
| Value in kilopascals (kPa) | 220 |
|---|
- 220 kPa × 0.1450377377 = 31.9083 psi.
Result:
| PSI (psi) | 31.9083 |
|---|---|
| 1 kPa in psi | 0.145038 |
| Your number read as psi, in kPa | 1516.85 |
| Bar (bar) | 2.2 |
| Atmospheres (atm) | 2.17123 |
Conversion table
| kPa | psi |
|---|---|
| 1 kPa | 0.145038 psi |
| 10 kPa | 1.45038 psi |
| 50 kPa | 7.25189 psi |
| 100 kPa | 14.5038 psi |
| 101.325 kPa | 14.6959 psi |
| 150 kPa | 21.7557 psi |
| 200 kPa | 29.0075 psi |
| 220 kPa | 31.9083 psi |
| 250 kPa | 36.2594 psi |
| 300 kPa | 43.5113 psi |
| 500 kPa | 72.5189 psi |
| 1,000 kPa | 145.038 psi |
Frequently asked questions
What is 1 kilopascal in psi?
1 kilopascal (kPa) equals 0.145038 psi.
What is 250 kPa in psi?
About 36.3 psi.
Sources and further reading
- Wikipedia: Pound per square inch
- NIST: Handbook 44 Appendix C, General tables of units of measurement
- NIST: Guide for the Use of the International System of Units (SI)
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.