›› Convert ounce/square inch to


ounce/square inch
inch mercury


›› More information from the unit converter

How many ounce/square inch in 1 inch mercury? The answer is 7.8584672091604.
We assume you are converting between ounce/square inch and .
You can view more details on each measurement unit:
ounce/square inch or inch mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.0023206038081155 ounce/square inch, or 0.00029529980164712 inch mercury.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between ounces/square inch and inches mercury.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of ounce/square inch to inch mercury

1 ounce/square inch to inch mercury = 0.12725 inch mercury

5 ounce/square inch to inch mercury = 0.63626 inch mercury

10 ounce/square inch to inch mercury = 1.27251 inch mercury

20 ounce/square inch to inch mercury = 2.54503 inch mercury

30 ounce/square inch to inch mercury = 3.81754 inch mercury

40 ounce/square inch to inch mercury = 5.09005 inch mercury

50 ounce/square inch to inch mercury = 6.36256 inch mercury

75 ounce/square inch to inch mercury = 9.54385 inch mercury

100 ounce/square inch to inch mercury = 12.72513 inch mercury



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›› Common pressure conversions

ounce/square inch to femtobar
ounce/square inch to micrometer of mercury
ounce/square inch to inch of air
ounce/square inch to millihg
ounce/square inch to ton/square inch
ounce/square inch to foot of air
ounce/square inch to torr
ounce/square inch to ton/square foot
ounce/square inch to kilopond/square millimeter
ounce/square inch to picopascal


›› Definition: Inch mercury

Inches of mercury or inHg is a non-SI unit for pressure. It is still widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.

It is defined as the pressure exerted by a column of mercury of 1 inch in height at 32 °F (0 °C) at the standard acceleration of gravity.

1 inHg = 3,386.389 pascals at 0 °C.

Aircraft operating at higher altitudes (above 18,000 feet) set their barometric altimeters to a standard pressure of 29.92 inHg or 1,013.2 hPa (1 hPa = 1 mbar) regardless of the actual sea level pressure, with inches of mercury used in the U.S. and Canada. The resulting altimeter readings are known as flight levels.

Piston engine aircraft with constant-speed propellers also use inHg to measure manifold pressure, which is indicative of engine power produced.


›› 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, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!