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millimeters of mercury to megapascals conversion

millimeters of mercury to megapascals conversion table

millimeters of mercury (mmHg)megapascals (MPa)
00
10.000133322
20.000266644
30.000399966
40.000533288
50.00066661
60.000799932
70.000933254
80.001066576
90.001199898
100.00133322
200.00266644
300.00399966
400.00533288
500.0066661
600.00799932
700.00933254
800.01066576
900.01199898
1000.0133322
10000.133322

How to convert millimeters of mercury to megapascals?

Certainly! Millimeters of mercury (mmHg) is often used to measure pressures, especially in medical contexts like blood pressure. To convert mmHg to other units, like megapascals (MPa), you need to understand the relationship between these units.

1 mmHg is defined as the pressure exerted by a 1-millimeter column of mercury at 0 degrees Celsius under the acceleration due to gravity.

Here's the conversion:

1 mmHg = 133.322368 Pascal (Pa)

Since 1 MPa = 1,000,000 Pascals (Pa), the conversion from mmHg to MPa can be calculated as:

1 mmHg=133.322368 Pa1 \text{ mmHg} = 133.322368 \text{ Pa}

=133.322368 Pa1,000,000=0.000133322368 MPa = \frac {133.322368 \text{ Pa}}{1,000,000} = 0.000133322368 \text{ MPa}

Therefore, 1 mmHg is approximately 0.000133 MPa.

Real-World Examples of Millimeters of Mercury

  1. Blood Pressure:

    • Normal blood pressure for adults is usually around 120/80 mmHg, where 120 represents the systolic pressure and 80 the diastolic pressure.

  2. Weather Forecasting:

    • Atmospheric pressure at sea level is typically around 760 mmHg.

  3. Vacuum Systems:

    • A high vacuum might be around 1 mmHg, or even lower, which is critical in applications like electron microscopy or certain manufacturing processes.

  4. Barometric Pressure:

    • Typical barometer readings might range from about 700 to 790 mmHg depending on weather conditions and altitude.

  5. Medicine:

    • Central venous pressure (CVP) and intracranial pressure (ICP) are often measured in mmHg to monitor critical health conditions.

Understanding these conversions and examples helps in various fields such as medicine, meteorology, and engineering, where precise pressure measurements are crucial.

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 megapascals to other unit conversions.

What is millimeters of mercury?

Millimeters of mercury (mmHg) is a unit of measurement used to express pressure, specifically atmospheric pressure. It's commonly used in medicine and physiology to measure blood pressure.

In essence, mmHg measures the pressure exerted by a column of mercury, which is a dense liquid metal, against a surface. The "millimeter" refers to the height of the mercury column, while the "mercury" part comes from the use of mercury as the liquid in the measuring device.

A standard barometer (an instrument that measures atmospheric pressure) uses a column of mercury to measure pressure. When the air pressure is high, the mercury level rises, and when it's low, the level drops. This allows for a direct measurement of the pressure in terms of millimeters of mercury.

In medical contexts, blood pressure readings are expressed in mmHg (systolic pressure) over mmHg (diastolic pressure). For example:

  • A blood pressure reading of 120/80 mmHg means that the systolic pressure is 120 mmHg and the diastolic pressure is 80 mmHg.

The use of mmHg as a unit of measurement has been largely replaced by other units, such as kilopascals (kPa), in scientific and technical applications. However, it remains a widely recognized and used unit in medical and physiological contexts.

What is a Megapascal?

The megapascal (MPa) is a 1,000,000 pascals (Pa). 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/m2N/m^2 in SI unit system. Following are equal representation of 1 Megapascal in other units.

1 MPa=1000∗1000∗Nm2=1000∗1000∗kgm∗s2=1000∗1000∗Jm31\ MPa = \frac{1000 * 1000 *N}{m^2} = \frac{1000 * 1000 *kg}{m*s^2} = \frac{1000 * 1000 *J}{m^3}

Where
N−NewtonsN - Newtons
kg−Kilogramskg - Kilograms
m−Metersm - Meters
s−Secondss - Seconds
J−JulesJ - Jules

Wikipedia page link for Pascal

Complete millimeters of mercury conversion table

Enter # of millimeters of mercury
Convert 1 mmHg to other unitsResult
millimeters of mercury to pascals (mmHg to Pa)133.322
millimeters of mercury to kilopascals (mmHg to kPa)0.133322
millimeters of mercury to megapascals (mmHg to MPa)0.000133322
millimeters of mercury to hectopascals (mmHg to hPa)1.33322
millimeters of mercury to bar (mmHg to bar)0.00133322
millimeters of mercury to torr (mmHg to torr)0.9999972366149
millimeters of mercury to meters of water @ 4°C (mmHg to mH2O)0.01359506049466
millimeters of mercury to pounds per square inch (mmHg to psi)0.01933671367695
millimeters of mercury to kilopound per square inch (mmHg to ksi)0.00001933671367695
millimeters of mercury to Inches of mercury (mmHg to inHg)0.03936996069858

Pressure conversions