Convert Atmospheres to Bars
1 atmosphere = 1.01325 bars. Type any value below to convert in either direction — the calculation happens in your browser.
Atmospheres to Bars formula
Multiply the number of atmospheres by 1.01325 to get bars.
bars = atmospheres × 1.01325To go the other way: divide the number of bars by 1.01325, or multiply by 0.9869233.
atmospheres = bars ÷ 1.01325Atmospheres to Bars conversion table
| Atmospheres | Bars |
|---|---|
| 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 |
| 15 atm | 15.19875 bar |
| 20 atm | 20.265 bar |
| 25 atm | 25.33125 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 |
| 1,000 atm | 1,013.25 bar |
Bars to Atmospheres conversion table
| Bars | Atmospheres |
|---|---|
| 1 bar | 0.9869233 atm |
| 2 bar | 1.973847 atm |
| 3 bar | 2.96077 atm |
| 4 bar | 3.947693 atm |
| 5 bar | 4.934616 atm |
| 6 bar | 5.92154 atm |
| 7 bar | 6.908463 atm |
| 8 bar | 7.895386 atm |
| 9 bar | 8.882309 atm |
| 10 bar | 9.869233 atm |
About the atmosphere
A standard atmosphere is exactly 101,325 pascals, the reference sea-level pressure.
About the bar
A bar is 100,000 pascals, very close to average atmospheric pressure at sea level.
Frequently asked questions
How many bars are in a atmosphere?
There are 1.01325 bars in one atmosphere.
How many atmospheres are in a bar?
There are 0.9869233 atmospheres in one bar.
Is this conversion exact?
The ratio between the atmosphere and the bar is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 atmospheres in bars?
10 atmospheres equals 10.1325 bars.