Online calculator to convert atmospheres to bars (atm to bar) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Pressure units.
Conversion Calculator
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Convert atm to bar
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between atmospheres and bars.
What is an atmosphere (atm)?
An atmosphere (or standard atmosphere) is a unit of Pressure in the International System of Units (SI). The symbol for atmosphere is atm. There are 0.986923 atmospheres in a bar.
What is a bar (bar)?
A bar is a non-SI unit of Pressure. The symbol for bar is bar. There are 1.01325 bars in an atmosphere.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from atm to bar is:
bar = atm x 1.01325
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from atmospheres to bars (atm to bar).
Atmosphere to Bar Conversion Example
Task: Convert 36 atmospheres to bars (show work) Formula: atm x 1.01325 = bar Calculations: 36 atm x 1.01325 = 36.477 bar Result: 36 atm is equal to 36.477 bar
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from atm to bar.
Atmospheres to Bars Conversion Chart
| atmospheres (atm) | bars (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 |
| 20 atm | 20.265 bar |
| 30 atm | 30.3975 bar |
| 40 atm | 40.53 bar |
| 50 atm | 50.6625 bar |
| 75 atm | 75.99375 bar |
| 100 atm | 101.325 bar |
| 250 atm | 253.3125 bar |
| 500 atm | 506.625 bar |
| 750 atm | 759.9375 bar |
| 1,000 atm | 1,013.25 bar |
| 2,500 atm | 2,533.125 bar |
| 5,000 atm | 5,066.25 bar |
| 7,500 atm | 7,599.375 bar |
| 10,000 atm | 10,132.5 bar |
| 25,000 atm | 25,331.25 bar |
| 50,000 atm | 50,662.5 bar |
| 75,000 atm | 75,993.75 bar |
| 100,000 atm | 101,325 bar |
| 250,000 atm | 253,312.5 bar |
Related Units
This table provides a summary of the Pressure units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| pascal | Pa | International System of Units (SI) |
| kilopascal | kPa | International System of Units (SI) |
| megapascal | MPa | International System of Units (SI) |
| atmosphere | atm | Non-SI (International) |
| pounds per square inch | psi or lbf/in2 | Non-SI (International) |
| millimeters of mercury | mmHg | Non-SI (International) |
| bar | bar | Non-SI (International) |
| torr | Torr | Non-SI (International) |
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