The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in2 or lbf/in2 or lbf/sq in or lbf/sq in) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch:
1 psi approximately equals 6,894.757 Pa, where pascal (Pa) is the SI unit of pressure.
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1 psi approximately equals 6,894.757 Pa, where pascal (Pa) is the SI unit of pressure.
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make real money online