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Inches of mercury to pascals conversion

Inches of mercury to pascals conversion table

Inches of mercury (inHg)	pascals (Pa)
0	0
1	3386.3889532611
2	6772.7779065222
3	10159.166859783
4	13545.555813044
5	16931.944766305
6	20318.333719567
7	23704.722672828
8	27091.111626089
9	30477.50057935
10	33863.889532611
20	67727.779065222
30	101591.66859783
40	135455.55813044
50	169319.44766305
60	203183.33719567
70	237047.22672828
80	270911.11626089
90	304775.0057935
100	338638.89532611
1000	3386388.9532611

How to convert inches of mercury to pascals?

Inches of mercury (inHg) is a unit often used to measure atmospheric pressure, especially in the United States. To convert inches of mercury to pascals (Pa), you can use the conversion factor:

1 inHg = 3,386.39 pascals (Pa).

So, to convert 1 inch of mercury to pascals, you simply multiply by this factor:

$1\ \text{inHg} \times 3,386.39\ \text{Pa/inHg} = 3,386.39\ \text{Pa}.$

Real-World Examples of Inches of Mercury:

Standard Atmospheric Pressure:
- Standard atmospheric pressure at sea level is often stated as 29.92 inHg. Converting this to pascals: $29.92\ \text{inHg} \times 3,386.39\ \text{Pa/inHg} \approx 101,325\ \text{Pa}$ This is equivalent to 1 atmosphere (atm).
Barometric Pressure:
- A typical high-pressure system might have a barometric pressure of around 30.5 inHg. $30.5\ \text{inHg} \times 3,386.39\ \text{Pa/inHg} \approx 103,287\ \text{Pa}$
Weather Phenomena:
- A significant drop in atmospheric pressure might indicate a storm, with pressures dropping to around 28.0 inHg. $28.0\ \text{inHg} \times 3,386.39\ \text{Pa/inHg} \approx 94,819\ \text{Pa}$
Vacuum Systems:
- In industrial vacuum systems, a vacuum often measures around 25 inHg below atmospheric pressure. $25\ \text{inHg} \times 3,386.39\ \text{Pa/inHg} \approx 84,660\ \text{Pa}$ This would be subtracted from the standard atmospheric pressure to find the absolute pressure.

Understanding these conversions is useful in various scientific, engineering, and meteorological applications.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the pascals to other unit conversions.

What is inches of mercury?

Inches of mercury (inHg) is a unit of measurement used to express atmospheric pressure or the height of a column of mercury that would be exerting a given pressure.

In other words, it's a measure of how much pressure is being exerted on the atmosphere by gravity. The unit was originally defined as the pressure exerted by a column of mercury 1 inch (2.54 cm) high at sea level and at standard temperature (32°F/0°C).

To put it simply:

1 inch of mercury is equivalent to about 25.4 millimeters of mercury
It's also equivalent to approximately 3386 pascals or 49.9 pounds per square inch

Inches of mercury are commonly used in weather forecasting, particularly for measuring the pressure of low-pressure systems such as hurricanes and typhoons. Weather forecasters often report barometric pressure using inches of mercury, especially when discussing tropical cyclones.

So, to summarize: inches of mercury is a unit of measurement that expresses atmospheric pressure or the height of a column of mercury exerting a given pressure!

What is a Pascal?

The pascal is a SI unit that measures pressure. Pascal unit is named after Blaise Pascal and it replaced the previously used units for pressure $N/m^2$ in SI unit system. Following are equal representation of 1 Pascal in other units.

1\ Pa = 1\ \frac{N}{m^2} = 1\ \frac{kg}{m*s^2} = 1\ \frac{J}{m^3}

Where
$N - Newtons$
$kg - Kilograms$
$m - Meters$
$s - Seconds$
$J - Jules$

Wikipedia page link for Pascal

Complete Inches of mercury conversion table

Enter # of Inches of mercury

Convert 1 inHg to other units	Result
Inches of mercury to pascals (inHg to Pa)	3386.3889532611
Inches of mercury to kilopascals (inHg to kPa)	3.3863889532611
Inches of mercury to megapascals (inHg to MPa)	0.003386388953261
Inches of mercury to hectopascals (inHg to hPa)	33.863889532611
Inches of mercury to bar (inHg to bar)	0.03386388953261
Inches of mercury to torr (inHg to torr)	25.400005965738
Inches of mercury to meters of water @ 4°C (inHg to mH2O)	0.345315571909
Inches of mercury to millimeters of mercury (inHg to mmHg)	25.400076155931
Inches of mercury to pounds per square inch (inHg to psi)	0.491154
Inches of mercury to kilopound per square inch (inHg to ksi)	0.000491154

Inches of mercury to pascals conversion