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 Converter

Enter PSI

psi

PSI

Result in Bar

bar

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.

1 psi = 0.0689476 bar

PSI to Bar Conversion Table

PSI (psi)	Bar (bar)

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How to Use

1

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
2

View Bar Result

The equivalent bar value appears instantly. For example, 35 PSI converts to about 2.41 bar
3

Copy or Swap

Copy the result or click Swap to convert bar back to PSI
4

Check Recommended Pressure

Compare your reading to manufacturer specs. Most passenger cars recommend 32-36 PSI (2.2-2.5 bar)

Why Use Be 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

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