PSI to Bar Converter
Instant psi to bar conversion. Enter a number and get the answer right away.
Conversions completed
How to Convert psi to bar
1 psi equals 0.068948 bar. To convert psi to bar, multiply by 0.068948 (bar = psi × 0.0689476). For example, 10 psi is 0.6895 bar. The calculator above applies the same conversion in both directions, so you can also type a value in bar to get psi.
bar = psi × 0.0689476
One psi equals 0.068948 bar. Use the formula below for any number.
psi to bar Conversion Table
| psi | bar |
|---|---|
| 1 psi | 0.068948 bar |
| 2 psi | 0.137895 bar |
| 3 psi | 0.206843 bar |
| 5 psi | 0.344738 bar |
| 10 psi | 0.689476 bar |
| 15 psi | 1.034214 bar |
| 20 psi | 1.378951 bar |
| 25 psi | 1.723689 bar |
| 50 psi | 3.447379 bar |
| 75 psi | 5.171068 bar |
| 100 psi | 6.894757 bar |
| 150 psi | 10.342136 bar |
| 200 psi | 13.789515 bar |
| 500 psi | 34.473786 bar |
| 1000 psi | 68.947573 bar |
Common psi to bar Conversions
When You Need This Conversion
Useful for tyre pressure, scuba tanks, air compressors, boilers and industrial gauges.
Units and Conventions
1 bar = 100 kPa exactly and 1 psi is about 6.894757 kPa. Gauge pressure (psig, barg) is measured relative to atmospheric pressure, while absolute pressure (psia, bara) starts at vacuum. Tyre ratings are normally gauge.
PSI to bar: real-world reference points
Almost every real use of this conversion is a pressure gauge of some kind.
- 32 psi car tyre 2.21 bar
- 80 psi road bike tyre 5.52 bar
- 9 bar espresso machine 130.5 psi
- 2 bar air compressor cut-off 29 psi
Note: Tyre pressures are quoted cold. After a long drive the same tyre can read 2-4 psi (0.14-0.28 bar) higher without any leak.
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Frequently Asked Questions
How many bar are in 1 psi?
1 psi equals 0.068948 bar. The formula is bar = psi × 0.0689476.
What is the psi to bar formula?
Use bar = psi × 0.0689476. The calculator above applies it instantly and also works in reverse.
How precise is the psi to bar result?
Results show 6 decimal places. The calculation uses bar = psi × 0.0689476, so 1 psi = 0.068948 bar before rounding.
Where is the psi to bar conversion table?
The table above lists common psi values with their bar equivalents, computed from bar = psi × 0.0689476.
Which definition of psi and bar does this page use?
See the Units and Conventions section above - it gives the exact definition used here and the alternatives common in other countries.
When is psi to bar needed?
Useful for tyre pressure, scuba tanks, air compressors, boilers and industrial gauges. Enter any psi value above to see its bar equivalent.
