Convert pound/square inch to foot mercury [0 °C]


psi
ft Hg

The above form works if you are measuring differential pressure, such as the difference in psi between two points. It also gives the correct answer for absolute pressure, assuming you are measuring psia, which is the pressure relative to absolute zero vacuum.

If you are measuring relative to vacuum and want to resolve the pressure relative to the atmosphere, then you should use the form below.

psi (relative to atmosphere)
ft Hg (relative to vacuum)



More information from the unit converter

How many psi in 1 ft Hg? The answer is 5.8938498267194. We assume you are converting between pound/square inch and foot mercury [0 °C]. You can view more details on each measurement unit: psi or ft Hg The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.00014503773800722 psi, or 2.4608319226204E-5 ft Hg. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between pounds/square inch and feet mercury. Type in your own numbers in the form to convert the units!



Quick conversion chart of psi to ft Hg

1 psi to ft Hg = 0.16967 ft Hg

5 psi to ft Hg = 0.84834 ft Hg

10 psi to ft Hg = 1.69668 ft Hg

20 psi to ft Hg = 3.39337 ft Hg

30 psi to ft Hg = 5.09005 ft Hg

40 psi to ft Hg = 6.78674 ft Hg

50 psi to ft Hg = 8.48342 ft Hg

75 psi to ft Hg = 12.72513 ft Hg

100 psi to ft Hg = 16.96684 ft Hg


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You can do the reverse unit conversion from ft Hg to psi, or enter any two units below:

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Common pressure conversions


Definition: Pound/square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) 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.


Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!