Pound per Square Inch vs Bar: What's the Difference?

PropertyPound per Square Inch (psi)Bar (bar)
Symbolpsibar
SystemImperialMétrico (SI)
Categorypressurepressure
Used inUnited States, United KingdomWorldwide
Conversion1 psi = 0.0689476 bar

Definitions

Pound per Square Inch (psi)

La libra por pulgada cuadrada (símbolo: psi o lbf/in²) es una unidad de presión en los sistemas de medida imperial y estadounidense. Se define como la presión ejercida por una fuerza de una libra-fuerza aplicada a un área de una pulgada cuadrada. En unidades del SI, 1 psi equivale aproximadamente a 6,894.757 pascales (6.894757 kilopascales).

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Bar (bar)

### Definición Formal

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FAQ

What is the difference between Pound per Square Inch and Bar?
Pound per Square Inch (psi) belongs to the imperial system. Bar (bar) belongs to the metric system. 1 psi = 0.0689476 bar.
How to convert Pound per Square Inch to Bar?
Multiply the value in Pounds per Square Inch by 0.0689476. Formula: bar = psi × 0.0689476.
When should I use Pound per Square Inch vs Bar?
It depends on context. Pound per Square Inch is used in United States, United Kingdom. Bar is used in Worldwide.