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Bars to Pounds per Square Inch Converter

Convert bars to pounds per square inch instantly. Type a value, change either unit, or press swap to go the other way. 1 bar = 14.503774 pounds per square inch.

14.503774

1 bar = 14.503774 pounds per square inch

How to convert bars to pounds per square inch

pounds per square inch = bars × 14.50377377

To convert bars to pounds per square inch, multiply the value by 14.50377377. To go back from pounds per square inch to bars, divide by the same number (or multiply by 0.0689475729).

Worked examples

  • 1.5 bar: 1.5 × 14.50377377 = 21.755661 psi
  • 2 bar: 2 × 14.50377377 = 29.007548 psi
  • 2.2 bar: 2.2 × 14.50377377 = 31.908302 psi
Mental math shortcut

Multiply bar by 14.5. A tire at 2.2 bar is about 32 psi.

Bars to Pounds per Square Inch conversion table

Bars to Pounds per Square Inch

barpsi
0.57.2518869
114.503774
1.521.755661
229.007548
2.231.908302
2.536.259434
343.511321
572.518869
10145.03774
2002,900.7548

Pounds per Square Inch to Bars

psibar
0.50.034473786
10.068947573
1.50.10342136
20.13789515
2.20.15168466
2.50.17236893
30.20684272
50.34473786
100.68947573
20013.789515

Pressure equivalents

See how one bar and one pound per square inch compare with every other pressure unit on the site.

1 bar equals

UnitValue
pascals (Pa)100,000
kilopascals (kPa)100
pounds per square inch (psi)14.50377
standard atmospheres (atm)0.9869233
millimeters of mercury (mmHg)750.0616

1 pound per square inch equals

UnitValue
pascals (Pa)6,894.757
kilopascals (kPa)6.894757
bars (bar)0.06894757
standard atmospheres (atm)0.06804596
millimeters of mercury (mmHg)51.71493

When you need to convert bars to pounds per square inch

Tire pressures in Europe, gauges on pressure washers and diving tank ratings are given in bar. American pumps, gauges and manuals use psi. Using the wrong unit can leave a tire under-inflated or exceed an equipment limit, so the conversion should be exact.

About the units

Bar (bar)

A bar is exactly 100,000 pascals, close to atmospheric pressure at sea level. It is used for tires, diving and industrial gauges.

Pound per square inch (psi)

Psi is the pressure from one pound-force on one square inch, about 6,894.76 pascals. It is the standard for tires and air tools in the US.

Frequently asked questions

How do I convert bars to pounds per square inch?

Multiply the number of bars by 14.50377377. For example, 10 bars × 14.50377377 = 145.0377377 pounds per square inch.

How many pounds per square inch are in one bar?

There are 14.50377377 pounds per square inch in one bar.

How many bars are in one pound per square inch?

There are 0.0689475729 bars in one pound per square inch.

How many psi is 2.5 bar, and what is a normal tire pressure?

2.5 bar is 36.26 psi. Most passenger cars use 2.0 to 2.5 bar (29 to 36 psi), but always follow the figure on the door-jamb placard.

Can I convert other pressure units with this tool?

Yes. Use the From and To drop-downs in the converter to choose any pressure unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.