Pound per Square Inch Conversions

Use this easy and mobile-friendly calculator to convert between Pounds per Square Inch and other units of Pressure.
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1 Pound per Square Inch ≈
68.947573 Millibars
result rounded
Decimal places
Pounds per Square Inch
A pound per square inch, or psi, is a unit of pressure equal to the weight of one pound at sea level over an area of one square inch.
A millibar is a unit of pressure equal to 1/1000th of a bar, or 100 pascals. Barometric pressure readings are often given in millibars.

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