Kilopascals to Pounds per square inch Converter
Convert kilopascals (kPa) to pounds per square inch (psi) instantly. Type a value above and the result updates while you type. 1 kilopascal equals 0.145038 pounds per square inch.
Result updates as you type. Values are calculated locally in your browser — nothing is sent to a server.
The formula
1 kilopascal = 0.145038 pounds per square inch
Multiply the kilopascals value by 0.145038 to get pounds per square inch. Or divide by 6.89476 to go the other way.
Kilopascals to pounds per square inch conversion table
| kPa | psi |
|---|---|
| 1 | 0.145038 |
| 2 | 0.290075 |
| 3 | 0.435113 |
| 4 | 0.580151 |
| 5 | 0.725189 |
| 6 | 0.870226 |
| 7 | 1.01526 |
| 8 | 1.1603 |
| 9 | 1.30534 |
| 10 | 1.45038 |
| 15 | 2.17557 |
| 20 | 2.90075 |
| 25 | 3.62594 |
| 50 | 7.25189 |
| 75 | 10.8778 |
| 100 | 14.5038 |
Worked examples
- 5 kPa × 0.145038 = 0.725189 psi
- 30 kPa × 0.145038 = 4.35113 psi
- 165 kPa × 0.145038 = 23.9312 psi
Conversion factors follow the exact international definitions (SI/BIPM; imperial units per the 1959 International Yard and Pound Agreement, maintained by NIST). NIST unit conversion reference
Factors last verified August 2026 · Built by Jeffrey Tepper.
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Frequently asked questions
How many pounds per square inch are in 1 kilopascal?
1 kilopascal equals 0.145038 pounds per square inch (kPa → psi).
How do you convert kilopascals to pounds per square inch?
Multiply the number of kilopascals by 0.145038. For example: 10 kPa × 0.145038 = 1.45038 psi.
What is 50 kPa in psi?
50 kPa equals 7.25189 psi.
Which is bigger: 1 kilopascal or 1 pound per square inch?
1 pound per square inch is bigger: 1 kilopascal is only 0.145038 pounds per square inch.