Bars to atmospheres
1 bar = 0.9869232667 atm · 1 atmosphere = 1.01325 bar
How to convert bars to atmospheres
To convert bars to atmospheres, multiply the value by 0.9869232667.
Formula: atm = bar × 0.9869232667
Example: 10 bar = 9.869232667 atm
Bars to atmospheres conversion table
| bars (bar) | atmospheres (atm) |
|---|---|
| 1 bar | 0.9869232667 atm |
| 2 bar | 1.973846533 atm |
| 3 bar | 2.9607698 atm |
| 4 bar | 3.947693067 atm |
| 5 bar | 4.934616334 atm |
| 6 bar | 5.9215396 atm |
| 7 bar | 6.908462867 atm |
| 8 bar | 7.895386134 atm |
| 9 bar | 8.8823094 atm |
| 10 bar | 9.869232667 atm |
| 15 bar | 14.803849 atm |
| 20 bar | 19.73846533 atm |
| 25 bar | 24.67308167 atm |
| 30 bar | 29.607698 atm |
| 40 bar | 39.47693067 atm |
| 50 bar | 49.34616334 atm |
| 75 bar | 74.019245 atm |
| 100 bar | 98.69232667 atm |
| 250 bar | 246.7308167 atm |
| 500 bar | 493.4616334 atm |
| 1,000 bar | 986.9232667 atm |
About these units
Bar (bar)
One bar is 100,000 pascals, close to air pressure at sea level. Tire pressure, weather maps and diving gear often use bar.
Atmosphere (atm)
A standard atmosphere (atm) is 101,325 Pa, the average air pressure at sea level. It is used in chemistry and diving.
Frequently asked questions
How many atmospheres are in 1 bar?
1 bar = 0.9869232667 atm
How many bars are in 1 atmosphere?
1 atm = 1.01325 bar
What is 2 bar in atm?
2 bar = 1.97385 atm (2 × 0.9869232667)
What is 2.5 bar in atm?
2.5 bar = 2.46731 atm (2.5 × 0.9869232667)