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How many millibar in 1 lbs/square in? The answer is 68.9475728. We assume you are converting between millibar and pound/square inch [gauge]. You can view more details on each measurement unit: millibar or lbs/square in The SI derived unit for pressure is the pascal. 1 pascal is equal to 0.01 millibar, or 0.00014503773800722 lbs/square in. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millibars and pounds/square inch. Type in your own numbers in the form to convert the units!
1 millibar to lbs/square in = 0.0145 lbs/square in
10 millibar to lbs/square in = 0.14504 lbs/square in
20 millibar to lbs/square in = 0.29008 lbs/square in
30 millibar to lbs/square in = 0.43511 lbs/square in
40 millibar to lbs/square in = 0.58015 lbs/square in
50 millibar to lbs/square in = 0.72519 lbs/square in
100 millibar to lbs/square in = 1.45038 lbs/square in
200 millibar to lbs/square in = 2.90075 lbs/square in
You can do the reverse unit conversion from lbs/square in to millibar, or enter any two units below:
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)
Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. By contrast, psia measures pressure relative to a vacuum (such as that in space). At sea level, Earth's atmosphere actually exerts a pressure of 14.7 psi. Humans do not feel this pressure because internal pressure of liquid in their bodies matches the external pressure. If a pressure gauge is calibrated to read zero in space, then at sea level on Earth it would read 14.7 psi. Thus a reading of 30 psig on a tire gauge represents an absolute pressure of 44.7 psi.
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