Millibar conversion

Use the search box to find your required metric converter



  • mbar
  • mb

Unit of:

  • Pressure

Worldwide use:

  • Millibars are used worldwide, mainly by meteorologists


1 Millibar is 1/1000th of a bar, or 100 Pascals

Common references:

  • Average air pressure at sea level is 1013 millibars. The lowest pressure ever recorded (excluding tornadoes) was 870 mb, the highest 1086 mb

Usage context:

Used worldwide, mainly by meteorologists


  • Bar is commonly used. Megabar and Kilobar are derived from the bar, but are not in common use