Kilogram force per square meter
Kilogram force per square meter (kgf/m²) is a unit from the force of one kilogram under standard gravity (9.80665 m/s²) on an area of one square meter.
Millibar
The millibar (mb) is commonly used in meteorology. The millibar is a metric unit of pressure equivalent to 100 pascals. Standard Earth atmospheric pressure at sea level is approx 1013.25 millibars.