Bar to Pounds per Square Inch Converter
Type a value in bar to see it in pounds per square inch. It works both ways: type in the pounds per square inch box to convert back.
Formula
To convert bar to pounds per square inch, multiply by 14.50377377.
1 bar = 14.503773773 psi and 1 psi = 0.0689475729317 bar.
Bar to pounds per square inch table
| Bar | Pounds per square inch |
|---|---|
| 0.5 bar | 7.251887 psi |
| 1 bar | 14.50377 psi |
| 1.5 bar | 21.75566 psi |
| 2 bar | 29.00755 psi |
| 2.2 bar | 31.9083 psi |
| 2.5 bar | 36.25943 psi |
| 3 bar | 43.51132 psi |
| 5 bar | 72.51887 psi |
| 10 bar | 145.0377 psi |
| 100 bar | 1,450.377 psi |
Worked examples
1 bar in pounds per square inch
1 bar
14.50377 psi
1 × 14.50377377 = 14.50377377
2.5 bar in pounds per square inch
2.5 bar
36.25943 psi
2.5 × 14.50377377 = 36.25943443
10 bar in pounds per square inch
10 bar
145.0377 psi
10 × 14.50377377 = 145.0377377
About Bar to Pounds per Square Inch Converter
This converter turns bar into pounds per square inch as you type, and works the other way too: type in the pounds per square inch box to convert back. To convert bar to pounds per square inch, multiply by 14.50377377. For example, 1 bar is 14.50377 psi, and 2.5 bar is 36.25943 psi.
Pressure is quoted in different units for tyres, weather, blood pressure and engineering, so converting between bar, psi, kilopascals and millimetres of mercury is common. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use Bar to Pounds per Square Inch Converter
- Type the amount in bar in the first box.
- Read the answer in pounds per square inch in the second box and in the result line below.
- To convert the other way, type in the pounds per square inch box instead, or use the swap button to open the pounds per square inch to bar page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Setting tyre pressures from a handbook in another unit
- Reading air pressure on a barometer or forecast
- Understanding a blood pressure reading
- Checking boiler, pump or compressor pressures
Frequently asked questions
How many pounds per square inch are in one bar?
There are 14.50377377 pounds per square inch in one bar. This figure is exact, because both units have fixed definitions.
How do I convert bar to pounds per square inch?
To convert bar to pounds per square inch, multiply by 14.50377377. For example, 10 bar is 145.0377 psi.
How do I convert pounds per square inch to bar?
Going the other way, divide by 14.50377377 (the same as multiplying by 0.06894757293). The pounds per square inch to bar converter does this for you.
What is 3 bar in pounds per square inch?
3 bar is 43.51132 psi.
What tyre pressure should I use?
Use the figure in your vehicle handbook or on the sticker inside the driver's door or fuel flap. Car tyres are often around 2.2 to 2.5 bar, which is about 32 to 36 psi, but it varies by car and load.