Direct conversion
Convert bar [bar] to standard atmosphere [atm] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 bar [bar] = 0.986923 standard atmosphere [atm]
1 bar [bar] = 0.986923 standard atmosphere [atm]
Example: 1 bar [bar] equals 0.986923 standard atmosphere [atm].
Pressure conversions use pascal as the reference unit and include common engineering, weather, tire, and laboratory pressure units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The bar is a metric pressure unit equal to 100,000 pascals.
HistoryThe bar was introduced as a convenient pressure unit close to atmospheric pressure.
Current useBars are used for tire pressure, compressors, diving, weather, hydraulics, and industrial gauges.
The standard atmosphere is a pressure unit equal to 101,325 pascals.
HistoryAtmosphere was defined around average sea-level air pressure for reference calculations.
Current useAtmospheres are used in chemistry, gas laws, diving references, and technical pressure comparisons.
| bar [bar] | standard atmosphere [atm] |
|---|---|
| 1 | 0.986923 |
| 2 | 1.973847 |
| 5 | 4.934616 |
| 10 | 9.869233 |
| 20 | 19.738465 |
| 25 | 24.673082 |
| 50 | 49.346163 |
| 100 | 98.692327 |
| 1000 | 986.923267 |
Use this formula: 1 bar [bar] = 0.986923 standard atmosphere [atm] Enter your value in the calculator and the result updates instantly.
1 bar [bar] equals 0.986923 standard atmosphere [atm].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.