Convert pound per square inch to atmosphere
1 psi = 0.06804596391 atm
1 psi = 0.068 atm
1 psi in every pressure unit
| pascal | 6,890 Pa |
| kilopascal | 6.89 kPa |
| megapascal | 0.00689 MPa |
| bar | 0.0689 bar |
| atmosphere | 0.068 atm |
| millimeter of mercury | 51.7 mmHg |
| pound per square inch | 1 psi |
| foot of water column | 2.31 ft H₂O |
| gigapascal | 0.00000689 GPa |
| kip per square inch | 0.001 ksi |
| inch of mercury | 2.04 inHg |
| inch of water column | 27.7 in w.g. |
How the conversion works
Multiply by 0.06804596391 to go from pound per square inch to atmosphere, or divide by it to go back. Every conversion on this site routes through the SI value (Pa) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? atmosphere to pound per square inch — 1 atm = 14.69594878 psi.
pound per square inch to atmosphere — common values
| 1 psi | 0.068045964 atm |
| 2 psi | 0.13609193 atm |
| 3 psi | 0.20413789 atm |
| 5 psi | 0.34022982 atm |
| 10 psi | 0.68045964 atm |
| 15 psi | 1.0206895 atm |
| 20 psi | 1.3609193 atm |
| 25 psi | 1.7011491 atm |
| 50 psi | 3.4022982 atm |
| 75 psi | 5.1034473 atm |
| 100 psi | 6.8045964 atm |
| 250 psi | 17.011491 atm |
| 500 psi | 34.022982 atm |
| 1000 psi | 68.045964 atm |