![]() Kgf is the force created by the earth’s standard gravity at sea level of 9.80665m/s² acting on a 1 kilogram mass and is defined as follows:ġ kgf = Mass x Acceleration = 1 kg x 9.80665 m/s² = 9.80665 This is self-evident when you consider that the widely used ‘psi’ pressure unit is also a very popular shortened form of pfsi ( pounds force per square inch). When you see kg/cm² written as a pressure unit it is assumed to be kgf/cm² since pressure can only be a quantity of ‘force’ divided by ‘area’. It is not strictly correct, since kg is not a measure of force but of mass, but you will find that most documentation and instrumentation refer to the pressure unit as kg/cm² rather than the more correct form of kgf/cm² (kilogram force per square centimetre). Is it correct to write kg/sq cm as a unit of pressure? A square centimetre represents the area over which the force is distributed. The unit is exactly equal to kilogram force per square centimetre (kgf/cm² or kg/cm²).Ī kilopond is a force equal to the weight of 1 kg being pulled by an acceleration of 9.80665 m/s² ( standard gravity). Kp/cm² means kiloponds per square centimetre which is a measure of pressure or tensile strength. There is nothing stopping you using kgf/m2, it’s just not very useful for hydraulics, but it would be for low pressure, but other units such as inH2O and pascals tend to be the most popular. Typically kgf is used in hydraulics so the pressure is high, and therefore this unit is not practical to use. Kgf/m2 is equal to 0.0980665 mbar, 1mmH2O & 0.001422 psi, so it is a very small unit. Kgf/cm2 is equal to 0.980665 bar, 10 mH2O & 14.22 psi, so it is the right size of unit for many applications, particularly hydraulics where kgf and cm2 are measured separately. Select a look up table for converting a pressure reading in kilograms force per square centimetre to other measurement units. Kilogrammes Force per Square Centimeter.Kilogrammes Force per Square Centimetre. ![]() These are the different versions used for identifying kg/cm² that you may find elsewhere. To convert a value to kgf/cm2 just click on the relevant unit below to obtain the reverse conversion factor.Īlternatively If you have a number of values to convert you can use the pressure converter to save time.įind out how kg/cm2 is calculated from SI units and view the alternative ways of writing kg/cm2. To calculate a kg/cm2 reading into another pressure unit you can multiply it by one of the values in the table below. The conventional way of writing it is misleading to some, since it reads as Mass / Unit Area and leads to confusion since pressure is always defined as Force / Unit Area. The most popular way of writing Kilogrammes per Square Centimeter is as kg/cm2, even though kgf/cm2 describes its meaning more accurately. The force can be easily calculated in kilograms weight by multiplying the kg/cm2 pressure by the area to determine the weight applied in kilogrammes. Typically a piston cylinder device is utilised to convert the applied pressure into a force. This is convenient in applications where a pressure is applied to generate a load such as in material testing. ![]() Similarly to psi, kg/cm2 is part of a group of pressure units that relate pressure with weight. It is the metric equivalent of pounds per square inch (psi). Kilogram or Kilogram Force per Square Centimeter (kg/cm2 or kgf/cm2) is a pressure unit that has been largely superseded by the SI unit system of pascal units.
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