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Q: How do you convert a differential pressure of 43 psi to absolute units?

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mm Hg x 1 atm/760 mm Hg = atm. So, simply divide the mm Hg by 760 to get atmospheres of pressure.

216.4 mm Hg = 28.8509605 kPa.

You can't convert that. You can only convert between units that measure the same thing - length units to length units, time units to time units, etc. Anything else simply doesn't make sense.

There are many units of pressure, however, atm is another common one so I'll convert it to that. It is 0.000246730817 atm

It doesn't make sense to convert units that measure completely different things. You can only convert units of length to units of length, units of mass to units of mass, etc.

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You can convert between different units of pressure, if that's what you mean.

You can't convert between units of pressure and units of force (or mass).

You can't convert from units of pressure to units of mass. It just doesn't make sense.

First, you must determine the units in which the barometric pressure is recorded. Then, multiply it in mg Hg by 133, this is the absolute pressure in Pascals.

A unit of absolute pressure in the metric.ATA(s): Abbreviation for "Atmospheres Absolute", defines as the total pressure exerted on an object, by a gas or mixture of gases, at a specific depth or elevation, including normal atmospheric pressure.

There are several units of measure to use while dealing with vacuum. The absolute units start from full vacuum then approach atmospheric pressure. The "Gauge" ones use atmospheric pressure as a baseline- but Atm. Pressure varies with each day, with altitude, temperature and even with Hurricanes. Some absolute units are: Torr, Millitorr, Mbar Some "Gauge" units are: "Hg, Psig, "H20 (inches of water) For more info see: http://en.wikipedia.org/wiki/Pressure_measurement

mm Hg x 1 atm/760 mm Hg = atm. So, simply divide the mm Hg by 760 to get atmospheres of pressure.

670.3 mm of mercury = ~89.37 kPa.

if the units you're looking for are atmospheres (ATMs), divide your pressure by atmospheric pressure. In this case, that would be 406.8 inches of H20.

Depends, what you want to convert to what. To convert between different metric units, powers of 10 are used. For example, a kilometer is 1000 meters. To convert from metric units to imperial units, you have to ask specific questions for specific units, for example, "how to convert inches to meters", or "how to convert pounds to kilograms".Depends, what you want to convert to what. To convert between different metric units, powers of 10 are used. For example, a kilometer is 1000 meters. To convert from metric units to imperial units, you have to ask specific questions for specific units, for example, "how to convert inches to meters", or "how to convert pounds to kilograms".Depends, what you want to convert to what. To convert between different metric units, powers of 10 are used. For example, a kilometer is 1000 meters. To convert from metric units to imperial units, you have to ask specific questions for specific units, for example, "how to convert inches to meters", or "how to convert pounds to kilograms".Depends, what you want to convert to what. To convert between different metric units, powers of 10 are used. For example, a kilometer is 1000 meters. To convert from metric units to imperial units, you have to ask specific questions for specific units, for example, "how to convert inches to meters", or "how to convert pounds to kilograms".

216.4 mm Hg = 28.8509605 kPa.

No common vacuum units that I know of use negative values for a vacuum. Although pressure is an absolute quantity, everyday pressure measurements, such as for tire pressure, are usually made relative to ambient air pressure. In other cases measurements are made relative to a vacuum or to some other ad hoc reference. When distinguishing between these zero references, the following terms are used: Absolute pressure is zero referenced against a perfect vacuum, so it is equal to gauge pressure plus atmospheric pressure. Gauge pressure is zero referenced against ambient air pressure, so it is equal to absolute pressure minus atmospheric pressure. Negative signs are usually omitted. Differential pressure is the difference in pressure between two points. The zero reference in use is usually implied by context, and these words are only added when clarification is needed. Tire pressure and blood pressure are gauge pressures by convention, while atmospheric pressures, deep vacuum pressures, and altimeter pressures must be absolute. Differential pressures are commonly used in industrial process systems. Differential pressure gauges have two inlet ports, each connected to one of the volumes whose pressure is to be monitored. In effect, such a gauge performs the mathematical operation of subtraction through mechanical means, obviating the need for an operator or control system to watch two separate gauges and determine the difference in readings. Moderate vacuum pressures are often ambiguous, as they may represent absolute pressure or gauge pressure without a negative sign. Thus a vacuum of 26 inHg gauge is equivalent to an absolute pressure of 30 inHg (typical atmospheric pressure) − 26 inHg = 4 inHg.

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