psi to kPa converter
Convert pounds per square inch (psi) to kilopascals (kPa) using the factor 1 psi = 6.894757293 kPa.
Convert psi to kPa
Facts
| Conversion | psi to kPa |
|---|---|
| Formula | kPa = 6.894757293168 x psi |
| Factor | 6.894757293168 |
| Category | pressure |
| Valid input range | 0 to 1000000 psi |
| Source | NIST SP 811 Appendix B.8, row "pound-force per square inch (psi) (lbf/in2)" to pascal (Pa), factor as printed there; the 12-digit factor on the page follows from lb = 0.45359237 kg, g_n = 9.80665 m/s², in = 0.0254 m. Compared by Douglas Wilson on 2026-11-09. |
| Verified by | Douglas Wilson, 2026-11-09 |
| Status | Published |
Reference test cases
| Input | Reference value | This page computes |
|---|---|---|
| 1 psi | 6.894757293 kPa | 6.894757293168 kPa |
| 10 psi | 68.94757293 kPa | 68.947572931684 kPa |
| 100 psi | 689.4757293 kPa | 689.475729316836 kPa |
A test passes when the two values agree within 0.0001%, because source values are rounded.
Questions
How many kPa is 1 psi?
1 psi = 6.894757293168 kPa.
How is this conversion checked?
The factor was checked against NIST SP 811 Appendix B.8, row "pound-force per square inch (psi) (lbf/in2)" to pascal (Pa), factor as printed there; the 12-digit factor on the page follows from lb = 0.45359237 kg, g_n = 9.80665 m/s², in = 0.0254 m. Compared by Douglas Wilson on 2026-11-09. by Douglas Wilson on 2026-11-09. Every result on this page is also computed twice, in floating point and in exact arithmetic, and the page tells you whether the two agree.
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Licensing and support
This calculator is free to use. The options below are optional commercial licences and support.