Convert PSI (psi) to Atmospheres (atm)
Convert pounds per square inch (psi) to atmospheres (atm): 1 atm = 14.6959 psi, so divide psi by 14.6959. Handy for tyres, scuba tanks and gas cylinders.
Formula
1 psi = 0.068046 atm
To convert psi to atm, divide the value by 14.695943.
Conversion Table
| PSI (psi) | Atmospheres (atm) |
|---|---|
| 0.01 psi | 0.0007 atm |
| 0.1 psi | 0.0068 atm |
| 0.5 psi | 0.034 atm |
| 1 psi | 0.068 atm |
| 2 psi | 0.1361 atm |
| 3 psi | 0.2041 atm |
| 5 psi | 0.3402 atm |
| 10 psi | 0.6805 atm |
| 15 psi | 1.0207 atm |
| 20 psi | 1.3609 atm |
| 25 psi | 1.7011 atm |
| 50 psi | 3.4023 atm |
| 100 psi | 6.8046 atm |
| 250 psi | 17.0115 atm |
| 500 psi | 34.023 atm |
| 1000 psi | 68.046 atm |
| 2500 psi | 170.115 atm |
| 5000 psi | 340.23 atm |
| 10000 psi | 680.4599 atm |
| 50000 psi | 3402.2995 atm |
Common psi to atm Examples
- 1 psi = 0.068 atm
- 5 psi = 0.3402 atm
- 10 psi = 0.6805 atm
- 25 psi = 1.7011 atm
- 50 psi = 3.4023 atm
- 100 psi = 6.8046 atm
- 500 psi = 34.023 atm
- 1000 psi = 68.046 atm
About psi to atm
One standard atmosphere equals about 14.6959 psi, so psi divided by 14.6959 gives atm — 30 psi is roughly 2.04 atm.
PSI is the everyday US pressure unit for tyres and compressors, while the atmosphere is a natural reference equal to sea-level air pressure. It is useful in diving and gas handling, where pressures are often quoted as multiples of atmospheric.
Frequently Asked Questions
How do psi and atm compare in size?
Compare them through the ratio: 1 psi equals 0.068046 atm, which shows directly which unit represents a larger amount of Pressure.
What should I check before trusting a psi to atm result?
Confirm the input value, the unit direction (psi to atm, not the reverse), and that the formula 1 psi = 0.068046 atm has been applied.
Can I convert large numbers of psi to atm at once?
Yes. The same ratio 0.068046 applies to any value, whether it is a fraction or millions of psi.
Is there a shortcut for converting psi to atm?
The shortest route is the formula itself: 1 psi = 0.068046 atm. Memorizing this single line covers every case.
How much is 1 psi in atm?
1 psi equals 0.068046 atm. This ratio applies to every conversion between the two units.
What is the formula to convert psi to atm?
The formula is 1 psi = 0.068046 atm. To convert any value, divide the value by 14.695943.