Bar to Atmospheres Converter
Convert bar to atmospheres instantly. 1 bar = 0.986923 atm. Free two-way converter with the formula and a quick reference table.
How to convert bar to atmospheres
atmospheres = bar × 0.986923
One bar equals 0.986923 atmospheres, so to convert bar to atmospheres you multiply by 0.986923. Going the other way, one atmosphere is 1.0133 bar. Both units measure pressure, so the conversion is an exact ratio that never changes.
10 bar = 9.8692 atmospheres. Multiply your bar figure by the factor above (or just type it into the box) to convert any amount.
bar to atmospheres table
| bar (bar) | atmospheres (atm) |
|---|---|
| 1 | 0.986923 |
| 2 | 1.9738 |
| 3 | 2.9608 |
| 5 | 4.9346 |
| 10 | 9.8692 |
| 20 | 19.7385 |
| 25 | 24.6731 |
| 50 | 49.3462 |
| 100 | 98.6923 |
| 250 | 246.73 |
| 500 | 493.46 |
| 1,000 | 986.92 |
Frequently asked questions
How many atmospheres are in a bar?
One bar equals 0.986923 atmospheres. So to convert, multiply the number of bar by 0.986923.
How do I convert bar to atmospheres?
Multiply by 0.986923, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.