Convert bar to atm
Bar to standard atmospheres. Enter a value to convert, or use the bar to atm chart further down the page.
1 bar equals 0.9869232667 standard atmospheres. Going the other way, 1 standard atmosphere = 1.01325 bar.
How to convert bar to atm
To convert bar to standard atmospheres, multiply the bar value by 0.9869232667. You can also divide by 1.01325 to get the same answer.
atm = bar × 0.9869232667
Worked example
Convert 15 bar to standard atmospheres:
15 bar = 14.803849 atm
bar to atm conversion chart
Use this bar to atm table for quick reference without typing anything.
| bar (bar) | standard atmospheres (atm) |
|---|---|
| 0.01 bar | 0.009869232667 atm |
| 0.1 bar | 0.09869232667 atm |
| 1 bar | 0.9869232667 atm |
| 2 bar | 1.973846533 atm |
| 3 bar | 2.9607698 atm |
| 5 bar | 4.934616334 atm |
| 10 bar | 9.869232667 atm |
| 20 bar | 19.73846533 atm |
| 50 bar | 49.34616334 atm |
| 100 bar | 98.69232667 atm |
| 1,000 bar | 986.9232667 atm |
What is a bar?
One bar is exactly 100,000 pascals, very close to average atmospheric pressure at sea level.
What is a standard atmosphere?
The standard atmosphere is defined as exactly 101,325 pascals — the reference sea-level pressure.
Frequently asked questions
How many atm are in a bar?
1 bar equals 0.9869232667 atm. Going the other way, 1 atm is 1.01325 bar.
How do you convert bar to atm?
To convert bar to standard atmospheres, multiply the bar value by 0.9869232667. You can also divide by 1.01325 to get the same answer.
What is 10 bar in atm?
10 bar equals 9.869232667 atm. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert bar to other units
Convert other units to atm
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