PSI to Bar Converter
Convert PSI to bar instantly with our free online tool. Perfect for tire pressure, industrial gauges, and automotive applications. Get accurate PSI to bar results.
Pressure ConverterPSI
Bar
PSI to Bar Conversion Formula
To convert PSI to bar, multiply the PSI value by 0.0689476. One bar is defined as exactly 100,000 pascals, and one PSI equals 6,894.76 pascals.
PSI to Bar Conversion Table
| PSI (psi) | Bar (bar) |
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Why Use Our PSI to Bar Converter
Instant Conversion
Get precise PSI to bar results in real-time as you type — perfect for checking tire pressure readings
High Accuracy
Uses the exact international standard: 1 PSI = 6894.76 Pa and 1 bar = 100,000 Pa, accurate to 6 decimal places
Conversion Table
Quick reference with common automotive and industrial values like 32 PSI (2.21 bar), 36 PSI (2.48 bar), and 100 PSI (6.89 bar)
Bidirectional
Easily swap between PSI and bar with one click for reverse conversions
Free & No Signup
No registration required. Unlimited conversions. Completely free forever
Privacy First
All calculations happen in your browser. No data is sent to any server
How to Convert PSI to Bar
Enter PSI Value
Type the PSI reading from your gauge — common entries include car tire pressure (30-36 PSI), bicycle tires (80-130 PSI), or compressor settings
View Bar Result
The equivalent bar value appears instantly. For example, 35 PSI converts to about 2.41 bar
Copy or Swap
Copy the result or click Swap to convert bar back to PSI
Check Recommended Pressure
Compare your reading to manufacturer specs. Most passenger cars recommend 32-36 PSI (2.2-2.5 bar)
Frequently Asked Questions
How many bar is 1 PSI?
1 PSI equals 0.0689476 bar. So typical car tire pressure of 35 PSI equals about 2.41 bar, and a bicycle tire at 100 PSI equals about 6.89 bar.
What PSI should my car tires be at?
Most passenger cars recommend 32-36 PSI (2.2-2.5 bar). Check the sticker inside your driver-side door jamb for the exact recommendation. For example, 35 PSI = 2.41 bar, and 33 PSI = 2.28 bar.
What is the difference between PSI and bar?
PSI (pounds per square inch) is the imperial pressure unit used primarily in the US, while bar is the metric unit used in Europe and most of the world. 1 bar ≈ 14.5 PSI. A European tire gauge reading 2.3 bar means the same as 33.4 PSI on a US gauge.
How do I convert air compressor pressure from PSI to bar?
Multiply PSI by 0.0689476. A typical shop compressor at 90 PSI = 6.21 bar. Heavy-duty compressors running at 175 PSI = 12.07 bar. Portable inflators at 120 PSI = 8.27 bar.
Is this tool free to use?
Absolutely! Our PSI to bar converter is completely free with no registration required. Use it as often as you need for tire pressure, automotive, or industrial pressure conversions.
About PSI to Bar Converter
Our free online PSI to bar converter provides instant, accurate pressure conversions. Whether you are checking tire pressure on a European rental car with a bar-scale gauge, setting up industrial equipment, calibrating a pressure washer, or reading hydraulic system specifications, this tool gives you precise results. PSI (pounds per square inch) is the dominant pressure unit in the United States and countries using the imperial system, while bar is the standard metric pressure unit used across Europe, Asia, and most of the world. Our converter uses the exact conversion factor where 1 PSI equals 0.0689476 bar.
Expert Tips for PSI to Bar Conversion
For quick tire pressure estimates: 30 PSI ≈ 2.07 bar, 32 PSI ≈ 2.21 bar, 35 PSI ≈ 2.41 bar, 36 PSI ≈ 2.48 bar. Memorize these four and you will cover most passenger car tires
Always check tire pressure when tires are cold (before driving). For every 10°F temperature drop, expect about 1 PSI (0.07 bar) decrease in pressure
Bicycle tire pressure varies widely: road bikes run 80-130 PSI (5.5-9.0 bar), mountain bikes 25-35 PSI (1.7-2.4 bar), and hybrid bikes 50-70 PSI (3.4-4.8 bar)
When renting a car abroad, the recommended tire pressure on the door sticker may be in bar (Europe) or PSI (US). Use 2.3-2.5 bar as a safe default if you cannot find the spec
For scuba diving, a full standard tank at 3000 PSI equals about 207 bar. Most dive computers display both units