What's the pressure tomorrow?

1 standard atmospheric pressure is equal to101.325kpa. Illegal unit of measurement of pressure, symbol atm.

A standard atmospheric pressure is specified as follows: the atmospheric pressure at sea level with a temperature of 0℃ and a latitude of 45 degrees is called 1 atmospheric pressure, and the value on the mercury barometer is 760 mm Hg (equivalent to10/3.25 hectopascals).

Atmospheric pressure conversion

1 kg is equal to 0. 1Mpa is equal to a standard atmospheric pressure. One kilogram is short for one kilogram of force per square centimeter. One kilogram of force equals 9.8 Newton.

So the force of one kilogram per square centimeter = (9.8/0.0001) pa = 0.098 MPa, which is approximately equal to 0.1.01325x100000 pa.

Therefore: 1MPa= 10kg force =10 _/c _ so1MPa =10 standard atmospheric pressure.

Extended data:

Air pressure is in hectopascals, with one decimal place reserved; Some also take the height of millimeter mercury as the unit, and take two decimal places. The conversion relationship between millimeters and hectopascals is

1 hectopascal =0.750069 mm (mercury column height) ≈3/4 mm (mercury column height)

1 mm = 1.33224 hPa ≈4/3 hPa

The atmospheric pressure observation in China was recorded in millimeters of mercury before 1953 and in hectopascals after 1954. When two records are merged, they must be converted into the same unit.