Standard atmospheres to Bars formula
bars = standard atmospheres × 1.01325
Multiply the number of standard atmospheres by 1.01325 to get bars. To go the other way, multiply by 0.986923 instead, or use the bar to atm converter.
Standard atmospheres to Bars conversion table
Common atm to bar values, rounded for reading. The converter above keeps full precision.
| Standard atmospheres | Bars |
|---|---|
| 1 atm | 1.01325 bar |
| 2 atm | 2.0265 bar |
| 3 atm | 3.03975 bar |
| 4 atm | 4.053 bar |
| 5 atm | 5.06625 bar |
| 10 atm | 10.1325 bar |
| 15 atm | 15.1988 bar |
| 20 atm | 20.265 bar |
| 25 atm | 25.3313 bar |
| 50 atm | 50.6625 bar |
| 75 atm | 75.9938 bar |
| 100 atm | 101.325 bar |
| 250 atm | 253.313 bar |
| 500 atm | 506.625 bar |
| 1,000 atm | 1,013.25 bar |
Worked example
To convert 10 atm to bars, multiply by 1.01325: the result is 10.1325 bar. This converts pressure units only. Gauge pressure and absolute pressure need the same reference before comparison.
Frequently asked questions
How many bars are in a standard atmosphere?
One standard atmosphere equals 1.01325 bars (1 atm = 1.01325 bar).
What is 10 standard atmospheres in bars?
10 atm converts to 10.1325 bar. Enter any other value in the converter above to see it recalculated instantly.
How do I convert bars back to standard atmospheres?
Reverse the calculation: one bar equals 0.986923 standard atmospheres. You can also swap the units in the converter or open the bar to atm page.
Related pressure conversions
Need a different pair? Open the full pressure converter to choose any two units.