Pressure
atm to psi Converter
1 atm = 14.6959 psi. Enter any value and the result updates instantly.
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 atm to psi
- Type the atm value in the calculator.
- Keep atm selected as the from unit and psi selected as the to unit.
- Use the instant result, or copy it with the copy button.
atm to psi chart
| atm | psi |
|---|---|
| 1 atm | 14.6959 psi |
| 2 atm | 29.3919 psi |
| 5 atm | 73.4797 psi |
| 10 atm | 146.96 psi |
| 25 atm | 367.4 psi |
| 50 atm | 734.8 psi |
| 100 atm | 1,469.59 psi |
Formula
psi = atm x 14.695948775514
Example: 1 atm = 14.6959 psi.
Source
Pressure units derived from pascal relationships and fixed conventional factors.
Common questions
How do I convert atm to psi?
Enter the atm value in the converter, or multiply by the factor shown in the formula. 1 atm = 14.6959 psi.
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.