Unit Converters

kPa to PSI (Pressure Conversion)

Convert kilopascals to pounds per square inch and back using the exact NIST factor. There are 6894.757 pascals in one psi, so the calculator handles the math both directions.

Try
Converted pressure
14.504 psi

100 kPa → pounds per square inch

Conversion factor
×0.145038
1 kPa equals
0.145 psi
Conversion factors are exact; rounding may affect the final digit.
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How it's calculated

psi = kPa × 0.145038

kPa = kilopascals, psi = pounds per square inch. 1 psi = 6.894757 kPa.

Common values

kPaPSI
101.325 kPa14.696 psi
220 kPa31.91 psi
500 kPa72.52 psi
1000 kPa145.04 psi

Common questions

What is normal tire pressure in kPa?

Many passenger cars run around 220 kPa, which is roughly 32 psi. Always check the figure on your door placard.

How many kPa are in one psi?

One psi equals 6.894757 kPa, so dividing kilopascals by that figure gives psi.