Q:
# How do you convert inches of water to PSI with a gauge?

**One inch of water, as measured using a pressure gauge at four degrees Celsius, is equivalent to 0.036127291827 pounds per square inch (PSI).** This conversion can be found at OnlineConversion.com.

Pressure gauges measure pressure either expressed as inches of water column or expressed as pounds per square inch (PSI). The online converter, ConvertUnits.com, provides conversion for pressure in inches of water to PSI relative to vacuum as well as PSI relative to atmosphere. One inch of water is equivalent to minus 14.659822108172587 PSI relative to atmosphere. KylesConverter.com provides a conversion table from inches of water to PSI for a whole range of inches of water from one to one million.

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