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The bar is defined using the SI derived unit, pascal: 1 bar ≡ 100,000 Pa ≡ 100,000 N/m 2. ... Conversion of units § Pressure or mechanical stress;
The pascal (symbol: Pa) is the unit of ... Convert mmHg to SI units as follows: 1 mmHg = 0.133 32 kPa. Hence the normal blood pressure in SI units is less than 16.0 ...
Pascal Bar Technical atmosphere Standard atmosphere Torr Pound per square inch (Pa) (bar) ... 1 bar 10 5 — = 1.0197 = 0.986 92 = 750.06 = 14.503 773 773 022: 1 at ...
The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m 2, or kg·m −1 ·s −2). This name for the unit was added in 1971; [6] before that, pressure in SI was expressed in newtons per square metre. Other units of pressure, such as pounds per square inch (lbf/in 2) and bar, are also in common use.
Pressure inside Earth's inner core (3.64 million bar) [88] [89] ... This is a tabulated listing of the orders of magnitude in relation to pressure expressed in pascals.
The standard atmosphere was originally defined as the pressure exerted by a 760 mm column of mercury at 0 °C (32 °F) and standard gravity (g n = 9.806 65 m/s 2). [2] It was used as a reference condition for physical and chemical properties, and the definition of the centigrade temperature scale set 100 °C as the boiling point of water at this pressure.
The bar as: 1 bar = 100 000 pascals (Pa) = 100 kPa1; The old definition was: 1 bar = 1 000 000 dynes/square centimetre; But these definitions are equivalent, so it makes no sense to say one is the "old" definition.
Feet of water is an alternative way to specify pressure as height of a water column; it is conventionally equated to 2,989.067 pascals (0.4335275 psi). [3] In North America, air and other industrial gases are often measured in inches of water when at low pressure.