Convert Bar to Atmospheres
bar to atm · pressure conversion
What are bar and atmospheres?
A bar is 100,000 pascals, roughly equal to atmospheric pressure at sea level. One atmosphere is the average air pressure at sea level, defined as 101,325 Pa. For reference: car tires run around 32 psi (220 kPa), and sea-level air pressure is about 101 kPa.
How to convert bar to atmospheres
1 bar = 0.986923 atm. To convert, multiply the number of bar by 0.986923. For example, 5 bar = 4.93462 atm, and 20 bar = 19.7385 atm. To go the other way, multiply atmospheres by 1.01325 (since 1 atm = 1.01325 bar).
Bar to Atmospheres conversion table
| Bar (bar) | Atmospheres (atm) |
|---|---|
| 1 | 0.986923 |
| 2 | 1.97385 |
| 5 | 4.93462 |
| 10 | 9.86923 |
| 50 | 49.3462 |
| 100 | 98.6923 |
| 1,000 | 986.923 |
FAQ
What is 1 bar in atm?
1 bar = 0.986923 atm. To convert any amount, multiply the number of bar by 0.986923.
How do I convert atmospheres back to bar?
Go the other way: 1 atm = 1.01325 bar, so multiply atmospheres by 1.01325 to get bar.
Is a bar bigger than a atmosphere?
No — 1 bar is the smaller unit, equal to 0.986923 atm (it takes 1.01325 bar to make one atm).
Are these pressure conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.