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# Pressure units PSI, BAR & Co .: this is how they are converted!

The maximum tire pressure is on many tires in PSI specified. But only very few people know what to do with it. But this value can be very simple converted into cash and vice versa. The bar value can be read on the tire inflation valve. There are also other dimensions for specifying the pressure, such as the air pressure. In everyday life, however, the unit bar is particularly common. She is on Compressors, High-pressure cleaners, tire etc. The unit psi however, is more common in Saxon countries used. This can cause confusion for some people. It is possible to convert both units into one another. We'll tell you how to do it bar to psi and psi to bar can convert. And with this calculator you can do this at any time, even without brain work.

 Cash Psi Pascal torr

### Pressure units bar and psi

If the pressure tester uses a unit other than that specified on the tire, for example, must converted become. You can use a Conversion table help to determine the correct value. Both units are used very often. They can be found on many objects that are needed every day. Mixing up the units could have serious consequences. If 40-65 psi is on a tire, the pressure gauge displayed on your foot pump should be between 2,76 to 4,48 bar Show. Otherwise your tire could burst. If you know the conversion factor, the different units are no longer a big problem. If you need to convert a bar value into psi, simply multiply the value with 14,504th. The other way around you can use the psi value 0,069 multiply by the bar value to obtain.

• 1 bar = 14,504 psi
• 1 psi = 0,069 bar

### Information about printing and overprinting!

The measurement bar was from the average atmospheric pressure derived from the earth. For example, a bar means the air pressure at sea level. The pressure gauge of your compressed air compressor or your bicycle pump shows the pressure that above normal ambient air pressure goes out. For this reason it is also called Overpressure bezeichnet.

Will be a car tire with a pressure of 3 bar inflated, it is actually a pressure of 4 bar. That plays a role in a conversion none Role. With the unit psi or bar it does no differencewhether there is overpressure or absolute pressure. If the conversion takes place in the same technical context, the result is always correct according to the conversion factors as described above.

### Torr (mmHg) & atmosphere (at, atm)

There are various historical reasons why a wide variety of units are used to determine pressure. Science and technology have continued to develop over the years. There are also some regional differences between the im Anglo-American area used imperial unity and the European System. Problems only arise when an old measuring instrument is used which uses a unit that is no longer in use. Problems can also arise when working with tables or instructions that have been created with the help of units customary abroad. The units can be used at any time be converted. The following pressure measurement units could also come across in everyday life:

• Pascal (Pa): The unit Pascal is one SI unit. It is part of an internationally used, metric system of units. The unit is used in physical research activities and in physics. It can also be found in weather reports, for example. Here is from Hectopascals (hPa) the speech. This unit is a multiple of one hundred pascals. One pascal is the force of one newton that acts on one square meter.

• bars (bars): The bar unit is also made from the SI unit system derived and is mainly used in technology and physics. The unit bar is also used to indicate pressure for tires, high-pressure cleaners or compressors. In the past there was often the unit millibar (mbar), which is a multiple of a thousandth of a bar. The unit was used on older barometers for weather reports. Converted, the SI unit corresponds to bar 105 Pascal.

• Atmosphere (at, atm): The technical atmosphere (at) differs from that physical atmosphere (atm). Until 1978, both units were permitted for pressure information in Germany and were later carried out by Pascal replaced. It is used for the information in atmospheres in at and atü (atmospheric overpressure). Both units are almost the same 1 bar. The technical atmosphere is defined as the pressure that is caused by a 10 m high column of water or the pressure that is exerted by a kilopond of weight on a square centimeter. The physical atmosphere is guided by the pressure exerted by the weight of the atmosphere above sea level.

• Torr (mmHg): torr was used in the medical field when blood pressure monitors still worked with the help of mercury in a glass tube. The unit was also called Millimeter mercury designated. It can still be used today to measure the pressure of various body fluids. Torr is the pressure one 1 millimeter high column of mercury caused.

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