Atmosphere to PSI Converter (atm to psi)

How to Convert Atmosphere to PSI

Formula: PSI = Atmosphere × 14.69594301

Example: 1 atm = 14.69594301 psi

You can also use the interactive converter above. Simply enter any Atmosphere value and the equivalent PSI value will appear instantly. Click the ⇄ button to reverse the conversion.

Beyond the calculator above, it helps to understand what these two units actually represent and where you will run into them in everyday life.

Step-by-step example — Convert 1 atm to psi:

What is Atmosphere and PSI?

An Atmosphere (atm) represents average air pressure at sea level and is used as a natural reference point for pressure.

PSI (pounds per square inch) is the imperial pressure unit used throughout the US for everyday pressure measurement.

Real World Uses of Atmosphere to PSI Conversion

• Atmosphere: Commonly used for used as a reference pressure in chemistry and physics.
• PSI: Commonly used for rating hydraulic and pneumatic tool pressure.
• Atmosphere: Commonly used in scuba diving and high-altitude science to describe multiples of surface pressure.
• PSI: Commonly used in the US for car and bicycle tyre pressure.

Frequently Asked Questions

What is the formula to convert Atmosphere to PSI?

The formula is: PSI = Atmosphere x 14.69594301. Multiply any Atmosphere value by 14.69594301 to get the equivalent in PSI.

What is 1 Atmosphere in PSI?

1 atm = 14.69594301 psi.

How many Atmosphere are in 1 PSI?

1 psi = 0.0680459906056753 atm.

Is Atmosphere bigger or smaller than PSI?

Atmosphere is bigger than PSI. 1 Atmosphere = 14.69594301 psi.

What is 3 atm in psi?

3 atm = 44.08782902 psi.

What is 50 psi in atm?

50 psi = 3.402299531 atm.

How does pressure in atmospheres change while scuba diving?

Pressure increases by about 1 atmosphere for every 10 meters of water depth, so a diver at 20m experiences roughly 3 atm total.