PSI to kPa Converter
Convert pounds per square inch (psi) to kilopascals (kPa) as you type — 1 psi = 6.894757 kPa. Switch units, change the precision or copy the result.
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How to use this tool
Steps for using the Unit Converter.
- Enter a value in From — pounds per square inch are already selected.
- The result in kilopascals appears instantly. Change either unit to convert to anything else in pressure.
- Use the swap button for the reverse conversion, and set the decimal places you need.
- Turn on Show formula to see the calculation, then copy or share the result.
Example
1 psi to kPa
1 psikPa = 1 × 6.894757293 = 6.894757 kPaCommon use cases
- Tyre pressures in bar, psi and kPa.
- Weather and altitude pressures in hPa (mbar) and atm.
- Hydraulics, pneumatics and diving.
PSI to kPa conversion table
| Pound per square inch (psi) | Kilopascal (kPa) |
|---|---|
| 0.1 psi | 0.689476 kPa |
| 0.5 psi | 3.447379 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 |
| 10 psi | 68.947573 kPa |
| 15 psi | 103.421359 kPa |
| Pound per square inch (psi) | Kilopascal (kPa) |
|---|---|
| 20 psi | 137.895146 kPa |
| 25 psi | 172.368932 kPa |
| 50 psi | 344.737865 kPa |
| 75 psi | 517.106797 kPa |
| 100 psi | 689.475729 kPa |
| 250 psi | 1,723.689323 kPa |
| 500 psi | 3,447.378647 kPa |
| 1,000 psi | 6,894.757293 kPa |
Values rounded to 6 decimal places.
Related conversions
The units
- Pound per square inch (psi)
- 1 lbf/in² ≈ 6,894.757 Pa. Part of the US customary system.
- Kilopascal (kPa)
- 1,000 Pa. Part of the Metric system.
How to convert pounds per square inch to kilopascals
Converting US tyre, plumbing and HVAC pressures to the SI-based kilopascal.
To convert pounds per square inch to kilopascals, use kPa = psi × 6.894757293. One pound per square inch equals 6.894757 kilopascals, and one kilopascal equals 0.145038 pounds per square inch.
Pound per square inch (psi): 1 lbf/in² ≈ 6,894.757 Pa. Kilopascal (kPa): 1,000 Pa.
For the opposite direction, use the kPa to PSI converter. All pressure units are on the pressure converter.
Limitations
- Results are rounded to the decimal places you choose; the calculation itself keeps full precision.
Frequently asked questions
How many kilopascals are in a pound per square inch?
1 psi = 6.894757 kPa. Multiply pounds per square inch by 6.894757293 (or use kPa = psi × 6.894757293).
How do I convert pounds per square inch to kilopascals?
Use kPa = psi × 6.894757293. For example, 1 psi = 6.8948 kPa and 10 psi = 68.9476 kPa.
How many psi are in a bar?
1 bar = 14.5038 psi.
Is mmHg the same as torr?
Almost: 1 Torr = 133.3224 Pa and 1 mmHg = 133.3224 Pa differ only in the seventh significant digit. For everyday use they're interchangeable.