Units of measurement
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Pounds per square inch (psi)
Inches of water (inH2O)
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Information
Pounds per square inch (psi)
Pound per square inch (psi) — a unit of pressure based on pounds of force applied per square inch. Primarily used in the USA and UK.
Inches of water (inH2O)
Inches of water (inH2O) — a unit of pressure equal to the pressure exerted by a 1-inch high column of water. Used for measuring in water supply systems.