Pressure converter
PSI to Kilopascals
Converting PSI to Kilopascals is a single multiplication when you know the factor. One psi equals 6.894757 kPa, so multiply the value in psi by 6.894757. The calculator below works in both directions and accepts decimals.
Formula 1 psi = 6.894757 kPa
Need the other direction? Kilopascals to PSI.
How to convert PSI to Kilopascals
One pound per square inch is about 6,894.76 pascals. A kilopascal is 1,000 pascals and is common in weather and engineering.
To convert PSI to Kilopascals, multiply the value in psi by 6.894757. For example, 10 psi × 6.894757 = 68.947573 kPa. This works because the ratio between the two units is constant for every value in pressure.
Worked examples
| psi | kPa |
|---|---|
| 1 psi | 6.894757 kPa |
| 2.5 psi | 17.236893 kPa |
| 5 psi | 34.473786 kPa |
| 10 psi | 68.947573 kPa |
| 25 psi | 172.368932 kPa |
| 50 psi | 344.737865 kPa |
| 100 psi | 689.475729 kPa |
Reverse conversion
| kPa | psi |
|---|---|
| 1 kPa | 0.14503774 psi |
| 5 kPa | 0.72518869 psi |
| 10 kPa | 1.450377 psi |
| 25 kPa | 3.625943 psi |
| 50 kPa | 7.251887 psi |
| 100 kPa | 14.503774 psi |
When this conversion is useful
This is the calculation you need when you are inflating a tyre, reading a barometer or checking an engineering spec. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 psi is 6,894.76 kPa.
Is the conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
psi to kPa conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| PSI (psi) | Kilopascals (kPa) |
|---|---|
| 1 psi | 6.894757 kPa |
| 2 psi | 13.789515 kPa |
| 3 psi | 20.684272 kPa |
| 4 psi | 27.579029 kPa |
| 5 psi | 34.473786 kPa |
| 6 psi | 41.368544 kPa |
| 7 psi | 48.263301 kPa |
| 8 psi | 55.158058 kPa |
| 9 psi | 62.052816 kPa |
| 10 psi | 68.947573 kPa |
| 11 psi | 75.84233 kPa |
| 12 psi | 82.737088 kPa |
| 13 psi | 89.631845 kPa |
| 14 psi | 96.526602 kPa |
| 15 psi | 103.421359 kPa |
| 16 psi | 110.316117 kPa |
| 17 psi | 117.210874 kPa |
| 18 psi | 124.105631 kPa |
| 19 psi | 131.000389 kPa |
| 20 psi | 137.895146 kPa |
| 21 psi | 144.789903 kPa |
| 22 psi | 151.68466 kPa |
| 23 psi | 158.579418 kPa |
| 24 psi | 165.474175 kPa |
| 25 psi | 172.368932 kPa |
| 26 psi | 179.26369 kPa |
| 27 psi | 186.158447 kPa |
| 28 psi | 193.053204 kPa |
| 29 psi | 199.947962 kPa |
| 30 psi | 206.842719 kPa |
| 31 psi | 213.737476 kPa |
| 32 psi | 220.632233 kPa |
| 33 psi | 227.526991 kPa |
| 34 psi | 234.421748 kPa |
| 35 psi | 241.316505 kPa |
| 36 psi | 248.211263 kPa |
| 37 psi | 255.10602 kPa |
| 38 psi | 262.000777 kPa |
| 39 psi | 268.895534 kPa |
| 40 psi | 275.790292 kPa |
| 41 psi | 282.685049 kPa |
| 42 psi | 289.579806 kPa |
| 43 psi | 296.474564 kPa |
| 44 psi | 303.369321 kPa |
| 45 psi | 310.264078 kPa |
| 46 psi | 317.158835 kPa |
| 47 psi | 324.053593 kPa |
| 48 psi | 330.94835 kPa |
| 49 psi | 337.843107 kPa |
| 50 psi | 344.737865 kPa |
| 60 psi | 413.685438 kPa |
| 70 psi | 482.633011 kPa |
| 80 psi | 551.580583 kPa |
| 90 psi | 620.528156 kPa |
| 100 psi | 689.475729 kPa |
Frequently asked questions
How many Kilopascals are in 1 PSI?
1 psi equals 6.894757 kPa.
How do I convert PSI to Kilopascals?
Multiply the psi value by 6.894757. Example: 25 psi = 172.368932 kPa.
What is 2.5 psi in kPa?
2.5 psi = 17.236893 kPa.
Is the psi to kPa conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.