Full name: millibar
Plural form: millibars
Alternate spelling: mbar
Category type: pressure
Scale factor: 100
The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.01 millibar.
Valid units must be of the pressure type.
You can use this form to select from known units:
A millibar (mb) is 1/1000th of a bar, a unit for measurement of pressure. It is not an SI unit of measure, however it is one of the units used in meteorology when describing atmospheric pressure. The SI unit is the pascal (Pa), with 1 millibar = 100 pascals (a hectopascal)