Bar to PSI Converter
Bar and PSI converter
Convert in either direction with a transparent factor and pressure-basis guidance.
Signed values are supported for gauge or differential pressure. Absolute pressure cannot be negative.
Quick values
Converted pressure
14.5038psi
Result updates live as unit direction, value, and decimals change.
14.5038 psi
psi = bar × 14.503773773
Kilopascals
100 kPa
Megapascals
0.1 MPa
Atmospheres
0.9869 atm
bar -> psiReference table and batch conversion⌄
Reference table
Neutral numeric checkpoints for verification.
| bar | psi |
|---|---|
| 0.5 bar | 7.2519 psi |
| 1 bar | 14.5038 psi |
| 2 bar | 29.0075 psi |
| 2.5 bar | 36.2594 psi |
| 5 bar | 72.5189 psi |
| 10 bar | 145.0377 psi |
| 20 bar | 290.0755 psi |
| 50 bar | 725.1887 psi |
| 100 bar | 1,450.3774 psi |
Formula
psi = bar x 14.503773773; bar = psi / 14.503773773 \text{bar} = \frac{\text{psi}}{14.503773773} - One bar is approximately 14.503773773 pounds per square inch.
- Multiply bar by the factor for PSI, or divide PSI by the same factor for bar.
- Gauge, absolute, and differential pressure values must keep the same basis before and after conversion.
Example
Worked example: 2.5 bar to psi
- 1 2.5 x 14.503773773 = 36.259434433
- 2 Keep the same gauge or absolute pressure basis.
- 3 Rounded to four decimals: 36.2594 psi
2.5 bar is about 36.2594 psi.
How
- Choose bar to PSI or PSI to bar.
- Enter a pressure value and select the displayed precision.
- Read the converted value and equivalent kPa, MPa, and atm values.
- Use the expandable section for a neutral reference table or up to 100 batch values.
Avoid
- Mixing absolute and gauge pressure contexts.
- Using kPa constant for bar conversion.
- Rounding too early for control-system thresholds.
FAQ
Can I input decimal bar values?
Yes, decimal pressure values are supported.
Is this exact for all applications?
The calculator uses standard pressure-unit definitions and retains extra internal precision. Display rounding is adjustable.
Do you support reverse psi to bar?
Yes. Select PSI to bar or use Swap while preserving the converted pressure value.
Does converting bar to PSI change gauge pressure into absolute pressure?
No. Unit conversion does not change the pressure basis. Convert bar(g) to psi(g), or bar(a) to psi(a), consistently.
Switch
Switch12
No match.