psi to atm Converter
1 psi = 0.06805 atm. Enter a value. The result updates immediately.
Convert
Accuracy and rounding
Useful for tires, pumps, HVAC, weather, and technical specs. Check whether your source uses gauge or absolute pressure.
Pressure factors are fixed, but real-world readings may be gauge pressure or absolute pressure depending on the instrument.
For tires and pumps, match the gauge precision. For engineering specs, keep enough decimals to avoid tolerance drift.
How to convert psi to atm
- Enter the value in psi.
- Select psi as the source unit.
- Select atm as the target unit.
- Read or copy the result.
psi to atm chart
| psi | atm |
|---|---|
| 1 psi | 0.06805 atm |
| 2 psi | 0.13609 atm |
| 5 psi | 0.34023 atm |
| 10 psi | 0.68046 atm |
| 25 psi | 1.7011 atm |
| 50 psi | 3.4023 atm |
| 100 psi | 6.8046 atm |
Formula
atm = psi x 0.06804596391
Example: 1 psi = 0.06805 atm.
Source
Pressure units derived from pascal relationships and fixed conventional factors.
Common questions
How do I convert psi to atm?
Enter the psi value in the converter, or multiply by the factor shown in the formula. 1 psi = 0.06805 atm.
What should I watch out for?
Check whether the original value is gauge pressure or absolute pressure before comparing readings.
Where does this pressure conversion come from?
Pressure units derived from pascal relationships and fixed conventional factors. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.