This pounds per square inch to kilopascals converter gives you the psi to kPa result instantly, in your browser, with the exact ratio so you can verify it. 1 pound per square inch is about 6.89476 kilopascals, and going the other way, 1 kilopascal is 0.145038 pounds per square inch. Pounds per square inch are an imperial unit still common in the United States and the United Kingdom; kilopascals are an SI unit used in science and engineering.
To convert by hand, multiply the number of pounds per square inch by 6.89476. For example, 10 pounds per square inch is 68.9476 kilopascals and 100 pounds per square inch is 689.476 kilopascals. The table below lists the most requested values, and the converter above accepts decimals for anything in between.
psi to kPa formula
kPa = psi × 6.89476
1 pound per square inch is about 6.89476 kilopascals. Multiply the value in pounds per square inch by that factor to get kilopascals.
Pounds per square inch to Kilopascals conversion table
| pounds per square inch | kilopascals | Rounded |
|---|---|---|
| 1 psi | 6.89476 kPa | 6.89 |
| 2 psi | 13.7895 kPa | 13.8 |
| 3 psi | 20.6843 kPa | 20.7 |
| 4 psi | 27.579 kPa | 27.6 |
| 5 psi | 34.4738 kPa | 34.5 |
| 6 psi | 41.3685 kPa | 41.4 |
| 7 psi | 48.2633 kPa | 48.3 |
| 8 psi | 55.1581 kPa | 55.2 |
| 9 psi | 62.0528 kPa | 62.1 |
| 10 psi | 68.9476 kPa | 68.9 |
| 12 psi | 82.7371 kPa | 82.7 |
| 15 psi | 103.421 kPa | 103 |
| 20 psi | 137.895 kPa | 138 |
| 25 psi | 172.369 kPa | 172 |
| 30 psi | 206.843 kPa | 207 |
| 40 psi | 275.79 kPa | 276 |
| 50 psi | 344.738 kPa | 345 |
| 60 psi | 413.685 kPa | 414 |
| 70 psi | 482.633 kPa | 483 |
| 75 psi | 517.107 kPa | 517 |
| 80 psi | 551.581 kPa | 552 |
| 90 psi | 620.528 kPa | 621 |
| 100 psi | 689.476 kPa | 689 |
| 150 psi | 1,034.21 kPa | 1,034 |
| 200 psi | 1,378.95 kPa | 1,379 |
| 250 psi | 1,723.69 kPa | 1,724 |
| 300 psi | 2,068.43 kPa | 2,068 |
| 500 psi | 3,447.38 kPa | 3,447 |
| 750 psi | 5,171.07 kPa | 5,171 |
| 1,000 psi | 6,894.76 kPa | 6,895 |
Frequently asked questions
How many kilopascals are in 5 pounds per square inch?
5 psi = 34.4738 kPa. Multiply 5 by 6.89476, the number of kilopascals in one pound per square inch. The converter on this page does the same arithmetic for any value, including decimals.
What is the formula to convert pounds per square inch to kilopascals?
kPa = psi × 6.89476. The factor comes from the definitions of the units: 1 pound per square inch is about 6.89476 kilopascals. Worked example: 12 psi = 82.7371 kPa.
Is 30 psi the same as 206.843 kPa?
Yes. 30 psi = 206.843 kPa. Rounded to four decimals it is 206.8 kPa.
How do I convert kilopascals back to pounds per square inch?
Divide by 6.89476, or multiply by 0.145038: 1 kilopascal is 0.145038 pounds per square inch. The kilopascals to pounds per square inch page linked above lists common values the other way.
Is the psi to kPa conversion exact?
1 pound per square inch is about 6.89476 kilopascals. The ratio is a defined constant but produces a long decimal, so this page rounds to six significant digits, which is more precision than any everyday measurement needs.