atm to bar converter
Convert atmospheres (atm) to bar (bar). 1 atm = 1.01325 bar.
Calculating…
Conversion factor
1 atm = 1.01325 bar · 1 bar = 0.986923 atm
atm to bar table
| atm | bar |
|---|---|
| 0.5 atm | 0.506625 bar |
| 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 |
| 6 atm | 6.0795 bar |
| 7 atm | 7.09275 bar |
| 8 atm | 8.106 bar |
| 9 atm | 9.11925 bar |
| 10 atm | 10.1325 bar |
| 12 atm | 12.159 bar |
| 15 atm | 15.1988 bar |
| 20 atm | 20.265 bar |
| 25 atm | 25.3313 bar |
| 30 atm | 30.3975 bar |
| 40 atm | 40.53 bar |
| 50 atm | 50.6625 bar |
| 75 atm | 75.9938 bar |
| 100 atm | 101.325 bar |
1 bar = 14.504 psi = 100 kPa = 29.53 inHg. Gauge pressure (barg, psig) is measured above atmospheric; absolute pressure (bara, psia) adds about 1.013 bar / 14.7 psi. This converter changes units only. For vacuum readings, use the vacuum converter.
inHg and mmHg values assume mercury at 0 °C; inH₂O uses water at 4 °C. Those are the conventional definitions used by most gauge makers.