PSI to Atmosphere Converter (psi to atm)

How to Convert PSI to Atmosphere

Formula: Atmosphere = PSI × 0.06804599

Example: 1 psi = 0.06804599 atm

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

Here is a closer look at what PSI and Atmosphere are used for, plus answers to the questions people ask most about this conversion.

Step-by-step example — Convert 30 psi to atm:

What is PSI and Atmosphere?

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

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

Real World Uses of PSI to Atmosphere Conversion

• PSI: Commonly used for stating car and bicycle tire pressure in the US.
• Atmosphere: Commonly used for calculating pressure changes in scuba diving.
• PSI: Commonly used in the US for car and bicycle tyre pressure.
• Atmosphere: Commonly used in scuba diving and high-altitude science to describe multiples of surface pressure.

Frequently Asked Questions

What is the formula to convert PSI to Atmosphere?

The formula is: Atmosphere = PSI x 0.06804599. Multiply any PSI value by 0.06804599 to get the equivalent in Atmosphere.

What is 1 PSI in Atmosphere?

1 psi = 0.06804599 atm.

How many PSI are in 1 Atmosphere?

1 atm = 14.6959431408082 psi.

Is PSI bigger or smaller than Atmosphere?

PSI is smaller than Atmosphere. 1 Atmosphere = 14.6959431408082 psi.

What is 50 psi in atm?

50 psi = 3.402299531 atm.

What is 3 atm in psi?

3 atm = 44.08782902 psi.

Why does the US use PSI instead of bar?

PSI (pounds per square inch) fits the imperial system already used in the US for weight and length, so it became the standard pressure unit for American cars, tools and equipment.