Convert pound per square inch to atmosphere
1 psi = 0.06804596391 atm
sig figs
1 psi = 0.068 atm
1 psi in every pressure unit
| microbar | 68,900 μbar |
| barye | 68,900 Ba |
| millitorr | 51,700 mTorr |
| pascal | 6,890 Pa |
| millimeter of water column | 703 mmH₂O |
| pound per square foot | 144 lb/ft² |
| centimeter of water column | 70.3 cmH₂O |
| hectopascal | 68.9 hPa |
| millibar | 68.9 mbar |
| torr | 51.7 Torr |
| millimeter of mercury | 51.7 mmHg |
| inch of water column | 27.7 in w.g. |
| kilopascal | 6.89 kPa |
| foot of water column | 2.31 ft H₂O |
| inch of mercury | 2.04 inHg |
| pound per square inch | 1 psi |
| meter of water column | 0.703 m H₂O |
| decibar | 0.689 dbar |
| kilogram-force per square centimeter | 0.0703 kgf/cm² |
| bar | 0.0689 bar |
| atmosphere | 0.068 atm |
| megapascal | 0.00689 MPa |
| kip per square inch | 0.001 ksi |
| gigapascal | 0.00000689 GPa |
| million pounds per square inch | 1.00e-06 Mpsi |
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 |