You can do the reverse unit conversion from bar to psig , or enter any two units below:. 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 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 Thus a reading of 30 psig on a tire gauge represents an absolute pressure of The answer is You can view more details on each measurement unit: psi or bar The SI derived unit for pressure is the pascal. Note that rounding errors may occur, so always check the results. Type in your own numbers in the form to convert the units! You can do the reverse unit conversion from bar to psi , or enter any two units below:.
Basic Calculator. Pressure Conversion Calculator. Convert Pressure. Value to Convert: a real number or scientific notation. Send me your comments. Get a Widget for this Calculator. Units, symbols and conversion values used in this pressure calculator. To Convert from Unit.
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