The microbar (µbar) is a unit of pressure in the International System of Units (SI), equal to one millionth of a bar. It is often used to express atmospheric pressure or pressure differences in meteorology and aviation, where small variations in pressure can have significant effects on weather and flight conditions.
To put the magnitude of the microbar into perspective, one microbar is equivalent to 0.00001 pascals (Pa), the SI unit for pressure. To convert from microbars to pascals, simply multiply the value in microbars by 0.01. Conversely, to convert from pascals to microbars, divide the value in pascals by 0.01.
The microbar is also commonly used in measuring the pressure of gases in chemistry and physics. In these fields, the microbar is often converted to other units of pressure such as millimeters of mercury (mmHg) or pounds per square inch (psi).
It is important to note that while the microbar is a useful unit for expressing small changes in pressure, it is not commonly used in everyday applications. In most situations, larger units such as kilopascals (kPa) or pounds per square inch (psi) are more appropriate. However, in specialized fields where precise measurements are required, the microbar remains a valuable tool for measuring and expressing pressure.