Looking for a calculator or a conversion table to convert Inches of Mercury to Inches of Water? The answer is one click away! With our smart calculator you can easily convert between the two weight units inHg and inH2O.
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Inch of Mercury (3,386.39 Pa)
Inch of mercury (inHg and ″Hg) is a unit of measurement for pressure. It is still used for barometric pressure in weather reports, refrigeration and aviation in the United States. It is the pressure exerted by a column of mercury of 1 inch (25.4 mm) in height at the standard acceleration of gravity.
Inch of Water (249.09 Pa)
Inches of water, inches of water gauge (iwg or in.w.g.), inches water column (inch wc or just wc), inAq, Aq, or inH2O is a non-SI unit for pressure. The units are conventionally used for measurement of certain pressure differentials such as small pressure differences across an orifice, or in a pipeline or shaft. Inches of water can be converted to a pressure unit using the formula for pressure head.
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