28 KPa to Psi

28 kPa ≈ 4.0611 psi

Calculation: psi = 28 kPa × 0.145038 ≈ 4.0611 psi

KPa to Psi Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How much pressure is 28 kPa?

4.1 psi (28.0 kPa) is comparable to the thin air at extreme altitude, like the summit of Mount Everest.

What does 28 kPa look like?

Illustration of high altitude atmospheric pressure
4.1 psi (28.0 kPa) is comparable to the thin air at extreme altitude, like the summit of Mount Everest.

How to Convert KPa to Psi

1 kPa = 0.145038 psi

Psi = KPa × 0.145038

Example: 28 kPa × 0.145038 = 4.0611 psi

Reverse Conversion

To convert psi back to kPa:

  • Remember, 1 psi equals 6.89476 kPa.
  • To convert 4.0611 psi to kPa, multiply 4.0611 x 6.89476, resulting in 28 kPa.

28 kPa is also equal to:

  • 28000 pascal
  • 0.28 bar
About these units

KPa: SI-derived pressure unit equal to 1,000 pascals (10³ Pa).

Psi: Imperial/US customary pressure unit equal to one pound-force per square inch.

Frequently Asked Questions

How much is 28 kPa in psi?

28 kPa equals 4.0611 psi. This is calculated by multiplying 28 by the conversion factor 0.145038.

What does 28 kPa look like in psi?

28 kPa (4.0611 psi) is below atmospheric pressure (101.325 kPa at sea level).

How do you calculate 28 kPa to psi?

Multiply 28 by the conversion factor 0.145038. The calculation is 28 × 0.145038 = 4.0611 psi. This factor is defined by international measurement standards.

Share This Calculation

28 kPa = 4.06106 psi
28 kPa = 4.06106 psi — conversion chart

For general conversions between kPa and psi, see the kPa to psi converter.

Also convert KPa to:

Conversion factors verified against NIST, BIPM, ISO 80000-4 1 atm = 101 325 Pa by definition (BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.