## ››Convert dekapascal to

 dekapascal inch mercury

How many dekapascal in 1 inch mercury? The answer is 338.6389.
We assume you are converting between dekapascal and .
You can view more details on each measurement unit:
dekapascal or inch mercury
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.1 dekapascal, 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 dekapascal and inches mercury.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of dekapascal to inch mercury

1 dekapascal to inch mercury = 0.00295 inch mercury

10 dekapascal to inch mercury = 0.02953 inch mercury

50 dekapascal to inch mercury = 0.14765 inch mercury

100 dekapascal to inch mercury = 0.2953 inch mercury

200 dekapascal to inch mercury = 0.5906 inch mercury

500 dekapascal to inch mercury = 1.4765 inch mercury

1000 dekapascal to inch mercury = 2.953 inch mercury

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## ››Definition: Dekapascal

The SI prefix "deka" represents a factor of 101, or in exponential notation, 1E1.

So 1 dekapascal = 101 pascals.

The definition of a pascal is as follows:

The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.

## ››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widely used for barometric pressure in weather reports and aviation in the United States, but is considered somewhat outdated elsewhere.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.

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