Kilopascals to Pounds per Square Inch (kPa to psi) Converter
1 kilopascal (kPa) = 0.145038 pounds per square inch (psi). To convert kilopascals to pounds per square inch, multiply by 0.145038: 25 kPa × 0.145038 = 3.62594 psi.
Quick facts
- 1 kPa = 0.145038 psi
- 1 psi = 6.89476 kPa
- Formula: psi = kPa × 0.145038
- Quick estimate: multiply by about 0.15
How to convert kilopascals to pounds per square inch
- Take the value in kilopascals.
- Multiply it by 0.145038 (the number of pounds per square inch in one kilopascal).
- Round the result to the precision you need.
Worked example: 25 kPa × 0.145038 = 3.62594 psi.
To convert pounds per square inch back to kilopascals, multiply by 6.89476, or divide by 0.145038.
Source: NIST SP 811 (2008), Appendix B.
Kilopascals to Pounds per Square Inch conversion table
| Kilopascals [kPa] | Pounds per Square Inch [psi] |
|---|---|
| 0.01 kPa | 0.0014503774 psi |
| 0.1 kPa | 0.0145037738 psi |
| 1 kPa | 0.1450377377 psi |
| 2 kPa | 0.2900754755 psi |
| 3 kPa | 0.4351132132 psi |
| 5 kPa | 0.7251886887 psi |
| 10 kPa | 1.4503773773 psi |
| 20 kPa | 2.9007547546 psi |
| 50 kPa | 7.2518868865 psi |
| 100 kPa | 14.503773773 psi |
| 1000 kPa | 145.0377377302 psi |
kPa to psi chart from 1 to 100
- 1 kPa 0.145038 psi
- 2 kPa 0.290075 psi
- 3 kPa 0.435113 psi
- 4 kPa 0.580151 psi
- 5 kPa 0.725189 psi
- 6 kPa 0.870226 psi
- 7 kPa 1.01526 psi
- 8 kPa 1.1603 psi
- 9 kPa 1.30534 psi
- 10 kPa 1.45038 psi
- 11 kPa 1.59542 psi
- 12 kPa 1.74045 psi
- 13 kPa 1.88549 psi
- 14 kPa 2.03053 psi
- 15 kPa 2.17557 psi
- 16 kPa 2.3206 psi
- 17 kPa 2.46564 psi
- 18 kPa 2.61068 psi
- 19 kPa 2.75572 psi
- 20 kPa 2.90075 psi
- 25 kPa 3.62594 psi
- 30 kPa 4.35113 psi
- 35 kPa 5.07632 psi
- 40 kPa 5.80151 psi
- 45 kPa 6.5267 psi
- 50 kPa 7.25189 psi
- 55 kPa 7.97708 psi
- 60 kPa 8.70226 psi
- 65 kPa 9.42745 psi
- 70 kPa 10.1526 psi
- 75 kPa 10.8778 psi
- 80 kPa 11.603 psi
- 85 kPa 12.3282 psi
- 90 kPa 13.0534 psi
- 95 kPa 13.7786 psi
- 100 kPa 14.5038 psi
Pounds per Square Inch to Kilopascals conversion table
| Pounds per Square Inch [psi] | Kilopascals [kPa] |
|---|---|
| 0.01 psi | 0.0689475729 kPa |
| 0.1 psi | 0.6894757293 kPa |
| 1 psi | 6.8947572932 kPa |
| 2 psi | 13.7895145863 kPa |
| 3 psi | 20.6842718795 kPa |
| 5 psi | 34.4737864658 kPa |
| 10 psi | 68.9475729317 kPa |
| 20 psi | 137.8951458634 kPa |
| 50 psi | 344.7378646584 kPa |
| 100 psi | 689.4757293168 kPa |
| 1000 psi | 6894.7572931684 kPa |
Kilopascals vs Pounds per Square Inch
| Kilopascal | Pounds per Square Inch | |
|---|---|---|
| Symbol | kPa | psi |
| Equals | 1 kPa = 0.145038 psi | 1 psi = 6.89476 kPa |
What is a kilopascal?
Equal to 1,000 pascals. Used for tire pressure and weather pressure outside the US.
What is a pounds per square inch?
Force in pounds applied over one square inch. Used in the US for tire pressure and hydraulic systems.
Frequently asked questions
How many pounds per square inch are in a kilopascal?
There are 0.145038 pounds per square inch in 1 kilopascal (1 kPa = 0.1450377377 psi).
How many kilopascals are in a pounds per square inch?
There are 6.89476 kilopascals in 1 pounds per square inch (1 psi = 6.8947572932 kPa).
How do I convert kilopascals to pounds per square inch?
Multiply the number of kilopascals by 0.145038. For example, 10 kPa × 0.145038 = 1.45038 psi. To convert back, multiply by 6.89476.
What is 10 kPa in pounds per square inch?
10 kPa = 1.45038 psi.
What is 100 kPa in pounds per square inch?
100 kPa = 14.5038 psi.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008), Appendix B). Results are shown to up to 10 decimal places; round them to suit your purpose.
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