# Pound per Square Inch Conversions

Use this easy and mobile-friendly calculator to convert between Pounds per Square Inch and other units of Pressure.From

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1 Pound per Square Inch ≈

68.947573 Millibars

result rounded

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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.
Millibars

A millibar is a unit of pressure equal to 1/1000^{th}of a bar, or 100 pascals. Barometric pressure readings are often given in millibars.