![]() ![]() Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types. You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. Its official symbol is "bar" the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars.Ĭonversion calculator for all types of measurement units. The word bar is of Greek origin, báros meaning weight. The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). Thus a reading of 30 psig on a tire gauge represents an absolute pressure of 44.7 psi. If a pressure gauge is calibrated to read zero in space, then at sea level on Earth it would read 14.7 psi. Select an 'Increment' value (0.01, 5 etc) and select 'Accuracy' to round the result. Please visit pressure conversion to convert all pressure units. In this case, we want atm to be the remaining unit. Atm (atmospheric pressure) is the force per unit area by the weight of air above that point. Psi (Pound Force Per Square Inch) Conversion: Psi is a pressure unit and equals to the force of one pound applied to one square inch. Humans do not feel this pressure because internal pressure of liquid in their bodies matches the external pressure. Set up the conversion so the desired unit will be canceled out. At sea level, Earth's atmosphere actually exerts a pressure of 14.7 psi. By contrast, psia measures pressure relative to a vacuum (such as that in space). Enter a pressure in inHO 4C below to convert it to the equivalent pressure in psi. Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. 1 inH 2 O 249.089 pascals (Pa) psi value x 6,894.76 Pa inH 2 O value x 249.089 Pa psi value inH2O value x 0.0361273 inHO 4C pressure related products Request product info for a inHO 4C unit range pressure measurement device. Standard Conditions: 77F (25C) and 14.7 psi (1 atm). You can do the reverse unit conversion fromīar to psig, or enter any two units below: Enter two units to convert From: Seal connections with Teflon Tape or Formula 8 Thread Sealant only. ![]()
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