The pressure is expressed in many units across the globe. Bar and Atm are the units representing pressure. A pascal is one newton of force acting on the 1m2 area. It (atm) is used to express atmospheric pressure. The relation between bar and atm is useful in solving the problem.
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What is the Relation Between Bar and Atm?
The units for pressure (Pressure is the force against a surface: Formulated as force per area) bar and atm relation can be mathematically expressed as:
| Bar to atm formula | 1 bar = 0.986923 atm |
| atm to bar formula | 1 atm = 1.01325 bar |
In order to understand the relation. It is important to know the terms individually.
| Definition | Symbol | Formula | Fundamental unit | |
| 1 atm | The pressure exerted by the column atmosphere at sea level. | atm | 1atm=101.325kPa | atm=kg/m.s2 |
| 1 Bar | Unit of pressure almost similar to atmosphere unit | bar | 1bar=100,000N/m2 | bar=kg/m.s2 |
Bar to Atm Conversion
Conversion from Bar to atm is useful in solving problems. Refer the table given below for some commonly used values of pressure in Bar scale and its equivalent value in atm scale.
| Pressure in bar | Pressure in atm |
| 1 bar | 0.986923 atm |
| 2 bar | 1.97385 atm |
| 3 bar | 2.96077 atm |
| 4 bar | 3.94769 atm |
| 5 bar | 4.93462 atm |
| 6 bar | 5.92154 atm |
| 7 bar | 6.90846 atm |
| 8 bar | 7.89539 atm |
| 9 bar | 8.88231 atm |
| 10 bar | 9.86923 atm |
Atm to Bar Conversion
Refer the table given below for some commonly used values of pressure in atm scale and its equivalent value in bar scale.
| Pressure in Atm | Pressure in Bar |
| 1 atm | 1.01325 bar |
| 2 atm | 2.0265 bar |
| 3 atm | 3.03975 bar |
| 4 atm | 4.053 bar |
| 5 atm | 5.06625 bar |
| 6 atm | 6.0795 bar |
| 7 atm | 7.09275 bar |
| 8 atm | 8.106 bar |
| 9 atm | 9.11925 bar |
| 10 atm | 10.1325 bar |
Hope you understood the relation and conversion of Bar and atm the units of pressure in physics and many meteorological disciplines.
You may also want to check out these topics given below!
- Relation Between Bar and Pascal
- Relation Between Pressure And Velocity
- Relation Between Gauss And Tesla
- Calculating Pressure Of An Ideal Gas
Watch the video and understand fluid pressure.
Frequently Asked Questions – FAQs
What is the relation between Pascal and atm?
Is atm CGS unit?
Is the pressure scalar quantity?
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