# What is atmospheric pressure in inches of mercury?

## What is atmospheric pressure in inches of mercury?

14.70 pounds per square inch
Standard sea-level pressure, by definition, equals 760 mm (29.92 inches) of mercury, 14.70 pounds per square inch, 1,013.25 × 103 dynes per square centimetre, 1,013.25 millibars, one standard atmosphere, or 101.325 kilopascals.

How do you find the atmospheric pressure of mercury?

Atmospheric pressure is the pressure caused by the mass of our gaseous atmosphere. It can be measured using mercury in the equation atmospheric pressure = density of mercury x acceleration due to gravity x height of column of mercury. Atmospheric pressure can be measured in atm, torr, mm Hg, psi, Pa, etc.

How do you find the pressure of mercury in inches?

In older literature, an “inch of mercury” is based on the height of a column of mercury at 60 °F (15.6 °C). In Imperial units: 1 inHg60 °F = 0.489 771 psi, or 2.041 771 inHg60 °F = 1 psi.

### What keeps the mercury in the tube?

atmospheric pressure
The mercury is in a long glass tube with an open reservoir at the bottom: higher atmospheric pressure exerts a downward force on the mercury in the reservoir – and pushes the mercury up the tube.

How to convert standard atmosphere to millimeters of mercury?

To convert between standard atmosphere (atm)and millimeters of mercury (mmHg) or torr, use the formulas below: Patm = 760 × PmmHg. PmmHg = 0.0013157894 ×Patm. To convert between standard atmosphere (atm)and inches of mercury (inHg), use the formulas below:

How to convert inches of mercury to millibars?

To convert between inches of mercury (inHg)and millimeters of mercury (mmHg)or torr, use the formulas below: PmmHg = 25.4 × PinHg. PinHg = 0.03937008 × PmmHg. To convert between inches of mercury (inHg)and millibars (mb) or hectopascals (hPa), use the formulas below:

#### How to convert inches of mercury to pmmhg?

To convert between inches of mercury (inHg)and millimeters of mercury (mmHg)or torr, use the formulas below: PmmHg = 25.4 × PinHg PinHg = 0.03937008 × PmmHg To convert between inches of mercury (inHg)and millibars (mb) or hectopascals (hPa), use the formulas below:

How to convert millimeters of mercury to Torr?

To convert between torr or millimeters of mercury (mmHg)and millibars (mb) or hectopascals (hPa), use the formulas below: Pmb = 1.333224 × PmmHg. PmmHg = 0.750062 × Pmb. To convert between torr or millimeters of mercury (mmHg)and kilopascals (kPa), use the formulas below: