Bars to Standard atmospheres formula
standard atmospheres = bars × 0.986923
Multiply the number of bars by 0.986923 to get standard atmospheres. To go the other way, multiply by 1.01325 instead, or use the atm to bar converter.
Bars to Standard atmospheres conversion table
Common bar to atm values, rounded for reading. The converter above keeps full precision.
| Bars | Standard atmospheres |
|---|---|
| 1 bar | 0.986923 atm |
| 2 bar | 1.97385 atm |
| 3 bar | 2.96077 atm |
| 4 bar | 3.94769 atm |
| 5 bar | 4.93462 atm |
| 10 bar | 9.86923 atm |
| 15 bar | 14.8038 atm |
| 20 bar | 19.7385 atm |
| 25 bar | 24.6731 atm |
| 50 bar | 49.3462 atm |
| 75 bar | 74.0192 atm |
| 100 bar | 98.6923 atm |
| 250 bar | 246.731 atm |
| 500 bar | 493.462 atm |
| 1,000 bar | 986.923 atm |
Worked example
To convert 10 bar to standard atmospheres, multiply by 0.986923: the result is 9.86923 atm. This converts pressure units only. Gauge pressure and absolute pressure need the same reference before comparison.
Frequently asked questions
How many standard atmospheres are in a bar?
One bar equals 0.986923 standard atmospheres (1 bar = 0.986923 atm).
What is 10 bars in standard atmospheres?
10 bar converts to 9.86923 atm. Enter any other value in the converter above to see it recalculated instantly.
How do I convert standard atmospheres back to bars?
Reverse the calculation: one standard atmosphere equals 1.01325 bars. You can also swap the units in the converter or open the atm to bar page.
Related pressure conversions
Need a different pair? Open the full pressure converter to choose any two units.