Kilopascal to PSI Converter
One Kilopascal equals 0.1450377377 PSI (1 kPa = 0.1450377377 psi). Multiply a Kilopascal value by 0.1450377377 to get the equivalent in PSI. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
psi = kPa × 0.1450377377
Multiply the Kilopascal value by 0.1450377377 to get the equivalent value in PSI.
Example Conversions
1 Kilopascal (kPa)
0.1450377377 PSI (psi)
5 Kilopascal (kPa)
0.7251886887 PSI (psi)
10 Kilopascal (kPa)
1.450377377 PSI (psi)
25 Kilopascal (kPa)
3.625943443 PSI (psi)
100 Kilopascal (kPa)
14.50377377 PSI (psi)
Conversion Table
| Kilopascal (kPa) | PSI (psi) |
|---|---|
| 0.1 | 0.01450377377 |
| 0.5 | 0.07251886887 |
| 1 | 0.1450377377 |
| 2 | 0.2900754755 |
| 5 | 0.7251886887 |
| 10 | 1.450377377 |
| 25 | 3.625943443 |
| 50 | 7.251886887 |
| 100 | 14.50377377 |
| 250 | 36.25943443 |
| 500 | 72.51886887 |
| 1000 | 145.0377377 |
How to Convert Manually
Use these steps to convert Kilopascal values to PSI without the calculator.
- Write down the value in Kilopascal (kPa) that you want to convert.
- Multiply that value by 0.1450377377.
- For example, 10 Kilopascal × 0.1450377377 = 1.450377377 PSI.
- Label the result as PSI (psi).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Kilopascal and one PSI.
About Kilopascal and PSI
The kilopascal is 1,000 pascals. Tire pressures in metric countries, weather systems, and engineering specs commonly use kilopascals. The pound per square inch is about 6,894.757 pascals. US tire pressures, water systems, and industrial equipment are rated in psi. One Kilopascal equals 0.1450377377 PSI (1 kPa = 0.1450377377 psi). Kilopascal to PSI conversion comes up most often in tire pressure in metric countries and in HVAC and plumbing specifications, typically when figures need restating for US tire pressure.
Precision and Rounding: Several pressure factors are exact by definition (1 atm = 101,325 Pa; 1 bar = 100,000 Pa) while others, like psi and mmHg, are derived and carry long decimals. Tire and weather readings tolerate whole-number rounding; calibration, medicine, and process engineering need the full factor before rounding.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Kilopascal equals 2.175566066 PSI.
15 kPa × 0.1450377377 = 2.175566066 psi
FAQ
How do I convert Kilopascal to PSI?
Multiply the Kilopascal value by 0.1450377377 to get the equivalent value in PSI.
What is the formula for Kilopascal to PSI?
The formula is psi = kPa × 0.1450377377.
How many PSI are in 1 Kilopascal?
1 Kilopascal equals 0.1450377377 PSI.
Can I convert PSI back to Kilopascal?
Yes. 1 PSI equals 6.894757293 Kilopascal, and the related converter can reverse the calculation.
What are common names for Kilopascal and PSI?
Kilopascal is shown as kPa and may also be searched as kilopascals, kpa. PSI is shown as psi and may also be searched as pounds per square inch, lbf/in².
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