The kilopascal
The kilopascal (kPa) equals exactly 1,000 pascals. It is the standard pressure unit in modern meteorology, engineering specs outside the US, and most non-US tire-pressure recommendations.
Kilopascals to Pounds per square inch Converter
1 kPa = 0.145038 psi
1 kilopascal equals 0.145038 pounds per square inch. To convert kilopascals to pounds per square inch, multiply the kilopascal value by 0.145038. For quick reference: 1 kPa = 0.145038 psi, 5 kPa = 0.725189 psi, 10 kPa = 1.45038 psi, 100 kPa = 14.5038 psi.
Formula
Pounds per square inch = Kilopascals × 0.145038Quick
How to convert kilopascals to pounds per square inch
Take your value
Start with your value in kilopascals.
Multiply by 0.145038
Multiply the kilopascal value by 0.145038. This is the exact conversion factor from kilopascals to pounds per square inch.
Read the result
The product is your value in pounds per square inch. For example, 5 kPa × 0.145038 = 0.725189 psi.
Conversion formula
The exact factor from kilopascals to pounds per square inch is 0.145038.
Pounds per square inch = Kilopascals × 0.145038
Kilopascals to Pounds per square inch conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Kilopascals (kPa) | Pounds per square inch (psi) |
|---|---|
| 0.001 kPa | 0.00014504 psi |
| 0.01 kPa | 0.0014504 psi |
| 0.1 kPa | 0.014504 psi |
| 0.5 kPa | 0.072519 psi |
| 1 kPa | 0.14504 psi |
| 1.5 kPa | 0.21756 psi |
| 2 kPa | 0.29008 psi |
| 2.5 kPa | 0.36259 psi |
| 3 kPa | 0.43511 psi |
| 4 kPa | 0.58015 psi |
| 5 kPa | 0.72519 psi |
| 6 kPa | 0.87023 psi |
| 7 kPa | 1.0153 psi |
| 8 kPa | 1.1603 psi |
| 9 kPa | 1.3053 psi |
| 10 kPa | 1.4504 psi |
| 14 kPa | 2.0305 psi |
| 15 kPa | 2.1756 psi |
| 20 kPa | 2.9008 psi |
| 25 kPa | 3.6259 psi |
| 30 kPa | 4.3511 psi |
| 32 kPa | 4.6412 psi |
| 35 kPa | 5.0763 psi |
| 40 kPa | 5.8015 psi |
| 50 kPa | 7.2519 psi |
| 60 kPa | 8.7023 psi |
| 75 kPa | 10.878 psi |
| 80 kPa | 11.603 psi |
| 100 kPa | 14.504 psi |
| 101.325 kPa | 14.696 psi |
| 150 kPa | 21.756 psi |
| 200 kPa | 29.008 psi |
| 250 kPa | 36.259 psi |
| 300 kPa | 43.511 psi |
| 400 kPa | 58.015 psi |
| 500 kPa | 72.519 psi |
| 760 kPa | 110.23 psi |
| 1000 kPa | 145.04 psi |
| 1013.25 kPa | 146.96 psi |
| 2000 kPa | 290.08 psi |
| 5000 kPa | 725.19 psi |
| 10000 kPa | 1450.4 psi |
| 14.7 kPa | 2.1321 psi |
| 50000 kPa | 7251.9 psi |
| 100000 kPa | 14504 psi |
| 101325 kPa | 14696 psi |
| 200000 kPa | 29008 psi |
| 500000 kPa | 72519 psi |
| 1000000 kPa | 145038 psi |
| 10000000 kPa | 1450377 psi |
Real-world reference
Tire pressure for most passenger cars is around 220 kPa. Standard atmospheric pressure is 101.325 kPa. In pounds per square inch, that gives you: 1 kPa = 0.145038 psi, 10 kPa = 1.45038 psi, 100 kPa = 14.5038 psi.
Frequently asked questions
- How many pounds per square inch are in 1 kilopascal?
- 1 kilopascal equals 0.145038 pounds per square inch.
- How do I convert kilopascals to pounds per square inch?
- Multiply the kilopascal value by 0.145038. So x kPa × 0.145038 = the equivalent in psi.
- What is 5 kilopascals in pounds per square inch?
- 5 kilopascals equals 0.725189 pounds per square inch.
- What is 10 kilopascals in pounds per square inch?
- 10 kilopascals equals 1.45038 pounds per square inch.
- What is 100 kilopascals in pounds per square inch?
- 100 kilopascals equals 14.5038 pounds per square inch.
- How do I convert back from pounds per square inch to kilopascals?
- Multiply the pound per square inch value by 6.89476. For example, 1 psi = 6.89476 kPa.
- Is the kilopascal bigger than the pound per square inch?
- No. 1 kilopascal is smaller than 1 pound per square inch. It takes 6.89476 kilopascals to equal 1 pound per square inch.
- Are these conversion factors exact?
- Yes. The factor of 0.145038 is derived directly from the SI definitions of kilopascal and pound per square inch.
About the kilopascal and the pound per square inch
The pound per square inch
The pound per square inch (psi) is the customary US pressure unit, derived from the avoirdupois pound-force on a square inch (≈ 6,894.76 Pa exactly). It is the standard unit on US car tire-pressure stickers, scuba gauges in the US, and most plumbing specifications.