Units

PSI to Bar Calculator

psi
bar value
2.2063 bar
1 psi =
0.0689 bar
psi from same number of bar
464.1206 psi

Convert pressure from PSI to bar for tires, gauges, and equipment.

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How to use this calculator

  1. Enter the amount in psi.
  2. Read the equivalent value in bar.
  3. The '1 psi =' line is the exact conversion factor.
  4. Use the reverse line to convert bar back to psi.

Formula

bar = psi × 0.0689476
  • psi — the value you are converting
  • 0.0689476 — bar in one psi

Worked example

32 PSI of tire pressure is 32 × 0.0689476 ≈ 2.21 bar.

Frequently asked questions

How many bar in a PSI?

1 PSI ≈ 0.0689 bar.

How to reverse?

Multiply bar by 14.5038 to get PSI.

What about tire pressure?

32 PSI is about 2.2 bar.

Is bar the same as atmosphere?

Nearly — 1 bar ≈ 0.987 atm.

Where is bar used?

Common in Europe for tire and gas pressure.

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KH
Kim H. · Author
Reviewed by Dr. Lena Ortiz · Updated 2026-06-03
Sources
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View answer.json (AI feed)
{
  "tool": "psi-to-bar",
  "question": "How does the PSI to Bar Calculator work?",
  "answer": "Convert pressure from PSI to bar for tires, gauges, and equipment.",
  "formula": "bar = psi × 0.0689476",
  "inputs": [
    {
      "id": "value",
      "label": "Value (psi)",
      "unit": "psi"
    }
  ],
  "sources": [
    {
      "name": "NIST — Unit conversions",
      "url": "https://www.nist.gov/pml/owm",
      "note": "Standard conversion factors."
    }
  ],
  "updated": "2026-06-03"
}