A unit of pressure in the metric system. One atmosphere equals 1013 millibars. The 500 millibar level, a standard level used in meteorology and in weather forecast maps, is located about 18000 feet above sea level; approximately half of the earth's atmosphere is located below this height

The thousandth part of a bar, a bar being a unit of barometric pressure equal to 750·1mm (29·531in) of mercury at 0°C in latitude 45°.

A unit of atmospheric pressure equal to 10 -3 bar, 100 newtons per square metre or 0.7500617 millimetres of mercury. Used to describe the sensitivity of microphones.

A unit for expressing atmospheric pressure. Sea level pressure is normally close to 1013 mb.

Unit of atmospheric pressure equal to 100 newtons (N) per square metre, or 100 pascals (Pa).

A unit of pressure equal to 100 Pascals.The Pascal (Newton/meter² ) is the S.I. unit for pressure.

(mbar). The unit used to measure atmospheric pressure. One bar is the air pressure on Earth at sea level. A millibar is 1/1000 of a bar.

The old unit used to measure barometric pressure. Replaced by hectoPascal.

A unit of pressure equal to a force of 1,000 dynes per square centimeter. (A dyne is the force that would give a free mass of one gram an acceleration of one centimeter per second per second.)

a unit of atmospheric pressure equal to one thousandth of a bar; "atmospheric pressure at sea level is 1013 millibars"

a unit that is used to report the the atmospheric pressure, as well mesured in hPa (hecto Pascal)

Old unit of pressure, now replaced by the hectopascal. (1 mbar = 1 hPa)

A unit of air pressure. Average sea level pressure is approximately 1013 millibars.

A measure of atmospheric pressure. 1013.2mb = 29.92" Mercury

A unit to measure atmospheric pressure. Normal sea level pressure is approximately 1013 mb.

the scientific unit used in measuring and reporting atmospheric pressure.

A unit of pressure defined as 1/1,000 bar, or 1,000 dynes/cm2. Atmospheric pressure at sea level is approximately 1,013 mbar. One hectopascal (hPa) is equal to one millibar.

A unit of atmospheric pressure equal to 1,000 dynes per sq. cm. or about 1/32 in. of mercury. ( 722)

a unit of atmospheric pressure equal to 1/1000 bar or 1000 dynes per square centimeter

Is the metric unit of pressure. One millibar is 0.02953 inches of mercury (Hg). Average sea-level pressure is 1013.2 mb or 29.92 inches of mercury.

A unit of pressure which directly expresses the force exerted by the atmosphere. Equal to 1000 dynes/cmý or 100 pascals.

A measure of atmospheric pressure. See barometer.

A pressure unit of 1000 dynes per cm, convenient for reporting atmospheric pressure. Not an SI unit (see hectoPascal).

A unit of atmospheric pressure. 1 mb = 100 Pa (pascal). Normal surface pressure is approximately 1013 millibars.

A metric measurement of air pressure.

A unit for expressing the atmospheric pressure. Average global sea level pressure is about 1013 millibars (101.3 kilopascals).

One thousandth part of a bar, a bar being equivalent to 29.99 inches of mercury under standard barometric conditions.

A unit of atmospheric pressure, normal surface pressure is approximately 1013 millibars (29.92 inches of mercury).

A metric unit of air pressure.

This is 1/1000 of a bar; the standard sea-level pressure is about 1,013 millibars.

( mb) A unit measurements for quantifying force. Used to measure atmospheric pressure. Equivalent to 1000 dynes per square centimeter.

A metric measurement of atmospheric pressure used by the National Weather Service.. Standard surface pressure is 1,013.2 millibars.

The standard unit of measurement for atmospheric pressure used by the National Weather Service. One millibar is equivalent to 100 newtons per square meter. Standard surface pressure is 1,013.2 millibars.

International unit for measuring air pressure, now sometimes called a hectopascal.

A unit of measurement of atmospheric pressure equivalent to 1 gram per square centimeter. Average sea level pressure is 1013 mb, equivalent to one Atmosphere.