Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. You can find metric conversion tables for SI units, as well as 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.Ĭ provides an online conversion calculator for all types of measurement units. Your Gather Debit and ATM cards may have limited functionality. Convert 305 kPa to mmHg, atm, torr, and psi. Graco Magnum Airless 2800 PSI Project Painter Plus Stand Paint Sprayer. A pressure of 1 Pa is small, which approximately equals the pressure exerted by a dollar bill resting flat on a table. The SI unit of pressure is the pascal, symbol Pa. Example: convert 15 hPa to atm: 15 hPa 15 × 0.0009869233 atm 0.014803849 atm. Pressure (the symbol: p) is the ratio of force to the area over which that force is distributed, and it is the amount of force acting per unit area. The word bar is of Greek origin, báros meaning weight. nm nanometer(s) Atmospheres (atm).850 atm to mmHg Include your answer with. How to Convert Hectopascal to Standard Atmosphere. 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. Humans do not feel this pressure because internal pressure of liquid in their bodies matches the external pressure. At sea level, Earth's atmosphere actually exerts a pressure of 14.7 psi. A low pressure value in pounds force per square inch units is converted into pounds force per square foot in the following way: 1 psf 47.8803 pascals (Pa) .76 pascals (Pa) psf value x 47.8803 Pa psi value x 6894.76 Pa. Hint: 1 atm 101.325 kPa 760.0 torr 760 mmHg 14.696 psi 101,325 Pa. The formula for calculating absolute pressure (Pabs) is based on the ideal gas law and is as follows: Absolute Pressure (Pabs) Pressure Gauge (Pgauge) + Atmospheric Pressure (Patm) Absolute Pressure (Pabs) is the total pressure at the point, typically measured in pascals (Pa), pounds per square inch (psi), or other pressure units. Express this pressure in atmospheres, kilopascals, torrs, pounds per square inch, and pascals. By contrast, psia measures pressure relative to a vacuum (such as that in space). Example 12: A student reads a barometer in the laboratory and finds the prevailing atmospheric pressure to be 720.0 mmHg. Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. Sign up for the Email Magazine Units: SI, SI(bar), Imperial, MKS. To do so, we will use the equivalent standard pressures shown above.You can do the reverse unit conversion fromīar to psig, or enter any two units below: Enter two units to convert From: Calculator: Saturated Steam Table by Pressure. It is important to be able to convert between different units of pressure.
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