138 Psi to Bar

138 psi ≈ 9.5148 bar

Calculation: bar = 138 psi × 0.0689476 ≈ 9.5148 bar

Psi to Bar Converter

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How much pressure is 138 psi?

138 psi (951 kPa) is comparable to the internal pressure of a fire extinguisher.

What does 138 psi look like?

Illustration of a fire extinguisher
138 psi (951 kPa) is comparable to the internal pressure of a fire extinguisher.

How to Convert Psi to Bar

1 psi = 0.0689476 bar

Bar = Psi × 0.0689476

Example: 138 psi × 0.0689476 = 9.5148 bar

Reverse Conversion

To convert bar back to psi:

  • Remember, 1 bar equals 14.5038 psi.
  • To convert 9.5148 bar to psi, multiply 9.5148 x 14.5038, resulting in 138 psi.

138 psi is also equal to:

  • 951480 pascal
  • 951.48 kPa
About these units

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

Bar: Metric pressure unit equal to exactly 100,000 pascals.

Frequently Asked Questions

How much is 138 psi in bar?

138 psi equals 9.5148 bar. This is calculated by multiplying 138 by the conversion factor 0.0689476.

What does 138 psi look like in bar?

138 psi (9.5148 bar) is in the range of high-pressure systems — typical of road bicycle tires, hydraulic tools, and compressed gas regulators.

How do you calculate 138 psi to bar?

Multiply 138 by the conversion factor 0.0689476. The calculation is 138 × 0.0689476 = 9.5148 bar. This factor is defined by international measurement standards.

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138 psi = 9.51477 bar
138 psi = 9.51477 bar — conversion chart

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

Also convert Psi 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.