Bar to PSI Converter (bar to psi)

How to use this calculator: bar to psi

1. 1Enter the value measured in bar (bar).
2. 2Confirm the direction is Bar (bar) to PSI (psi); reversing the units changes the factor or offset.
3. 3Apply psi = bar × 14.50376808. The live converter performs this substitution as you type.
4. 4Read the answer in psi and keep only justified precision.

Conversion formula

Bar converts to psi by multiplying by 14.5038. A typical car tyre at 2.2 bar is about 32 psi, and a workshop compressor at 8 bar is roughly 116 psi.

The units measure the same quantity at different scales: 1 bar = 14.50376808 psi, and 1 psi = 0.0689476 bar.

Worked conversion example: Bar to PSI

1. Given: 2.2 bar
2. Substitute: psi = 2.2 × 14.50376808 = 31.90828977
3. Result: 2.2 bar = 31.90828977 psi

Accuracy checklist

The converter keeps extra precision internally. Report only the precision supported by the original measurement and follow the required rounding rule.

Direction check: a smaller unit usually gives a larger number; temperature is an exception.

Unit definitions and SI traceability: NIST Office of Weights and Measures — SI Units.