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 0.986923 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 = 14.8038 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 | 0.00986923 atm |
| 0.1 bar | 0.0986923 atm |
| 1 bar | 0.986923 atm |
| 2 bar | 1.97385 atm |
| 3 bar | 2.96077 atm |
| 5 bar | 4.93462 atm |
| 10 bar | 9.86923 atm |
| 20 bar | 19.7385 atm |
| 50 bar | 49.3462 atm |
| 100 bar | 98.6923 atm |
| 1,000 bar | 986.923 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 0.986923 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 9.86923 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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