How many atm are in 14.7 PSI?

14.7 PSI ≈ 1.0002 atm (essentially one atmosphere).

PSI to ATM Converter – Convert PSI to atmospheres

Divide PSI by ≈14.695948775 to get atmospheres. About 14.7 PSI is roughly one standard atmosphere at sea level.

How many atm are in 14.7 PSI?: 14.7 PSI ≈ 1.0002 atm (essentially one atmosphere).
How many atm are in 1 PSI?: 1 PSI ≈ 0.06805 atm.