Convert atmospheres to PSI when textbooks use atm but gauges report pounds per square inch.
How Atm to Psi works
One standard atmosphere equals 101,325 Pa and one PSI equals about 6894.76 Pa, so 1 atm ≈ 14.6959 PSI. Multiply atmospheres by that factor for approximate gauge comparisons.
Common Atm to Psi conversions
Atm
Psi
0.5 atm
7.34797438776 psi
1 atm
14.6959487755 psi
1.5 atm
22.0439231633 psi
2 atm
29.391897551 psi
5 atm
73.4797438776 psi
10 atm
146.959487755 psi
Common questions
How many PSI are in 1 atm?
1 atm ≈ 14.6959 PSI.
Is 1 atm the same as 1 bar?
No. 1 atm is 101,325 Pa while 1 bar is exactly 100,000 Pa.