Focused unit-pair conversion studio
PSI to Bar Converter
Convert psi to bar with a live pressure gauge, kPa and atmosphere equivalents, practical presets, a chart and batch conversion.
Live result · exact formula · visual context · batch conversionPounds per square inch → Bar
One pound-force per square inch equals exactly 6,894.757293168 pascals, or approximately 0.06894757293 bar.
Live conversion result
Converted value
Pressure gauge
The gauge places the value on a 0–10 bar reference range. Values above the range remain numerically accurate and pin the needle at the end.
——Equivalent values in related units
Common real-world values
Choose a useful reference value or enter your own value above.
Conversion table
The table uses useful values for this exact unit pair.
| Starting value (psi) | Converted value (bar) |
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Convert several values at once
Enter values separated by semicolons, spaces or new lines. Up to 50 values are processed at once.
| Starting value (psi) | Converted value (bar) |
|---|
Exact conversion relationship
One pound-force per square inch equals exactly 6,894.757293168 pascals, or approximately 0.06894757293 bar.
Where this conversion is useful
PSI-to-bar conversion is common for tyres, compressors, hydraulic equipment, pumps, pressure washers, diving equipment and engineering specifications.
Understanding the result
A unit conversion changes the numerical unit only. It does not determine a safe operating pressure or whether a value is gauge pressure or absolute pressure.
Gauge pressure and absolute pressure
Tyre gauges usually show pressure above local atmospheric pressure. Absolute-pressure specifications include atmospheric pressure. Confirm which convention your source uses.
Precision and rounding
The calculator keeps full numerical precision internally and rounds only the displayed values. Match the displayed precision to the accuracy of your original measurement.
Zero is accepted and converts correctly.
Batch conversion for lists and records
Paste a short list to create a clean two-column result table for specifications, logs, planning notes or comparisons.
More quick unit-pair converters
Continue with the reverse direction, another popular pair or the complete category converter.
PSI to Bar Converter – Frequently asked questions
How do I convert psi to bar?
Multiply psi by approximately 0.06894757293.
How many bar is 30 psi?
Thirty psi equals approximately 2.06843 bar.
How many psi equal one bar?
One bar equals approximately 14.5037738 psi.
Can I use this for tyre pressure?
Yes for unit conversion, but always use the vehicle or tyre manufacturer’s recommended pressure.
What is the difference between gauge and absolute pressure?
Gauge pressure is measured relative to atmospheric pressure, while absolute pressure is measured relative to a vacuum.
Can pressure be negative?
Some gauge-pressure contexts use negative values, but this focused physical-pressure tool accepts zero and positive values.
Can I convert several readings?
Yes. Enter up to 50 values in the batch converter.
Where can I convert kPa or MPa?
Use the result cards or open the full Pressure Converter.