atm to bar converter
1 atm = 1.01325 bar
And 1 bar = 0.986923 atm. Standard atmosphere to bar.
Formula
bar = atm × 1.01325
A reading of 15 atm is 15 × 1.01325 = 15.1988 bar.
atm to bar table
| atm | bar |
|---|---|
| 1 atm | 1.01325 bar |
| 5 atm | 5.06625 bar |
| 10 atm | 10.1325 bar |
| 15 atm | 15.1988 bar |
| 30 atm | 30.3975 bar |
| 50 atm | 50.6625 bar |
| 100 atm | 101.325 bar |
| 500 atm | 506.625 bar |
| 1,000 atm | 1,013.25 bar |
bar to atm table
| bar | atm |
|---|---|
| 1 bar | 0.986923 atm |
| 5 bar | 4.93462 atm |
| 10 bar | 9.86923 atm |
| 15 bar | 14.8038 atm |
| 30 bar | 29.6077 atm |
| 50 bar | 49.3462 atm |
About these units
atm (standard atmosphere): Defined as 101,325 Pa, roughly sea-level air pressure.
bar (bar): Close to one atmosphere; widely used for industrial and pneumatic gauges outside the US.
Gauge pressure (psig, barg) is measured relative to the surrounding atmosphere; absolute pressure (psia, bara) is relative to vacuum. Converting units never changes that reference: absolute = gauge + about 14.696 psi (1.01325 bar) at sea level. Stress uses the same units: 1 MPa = 1 N/mm².
Convert bar to atm instead · All pressure and stress conversions