The Unit Converters

PSI to Atmosphere

1 PSI = 0.068046 Atmosphere


Conversion Formula

To convert PSI to Atmosphere, multiply the value by 0.068046.

PSI × 0.068046 = Atmosphere

Quick Reference

psi atm
1 0.068046
5 0.34023
10 0.68046
25 1.70115
50 3.4023
100 6.8046
500 34.023
1000 68.046

What is PSI?

PSI (short for pound-force per square inch) is a unit of pressure or of stress based on avoirdupois units.

It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

Common Uses

PSI is the standard unit of pressure in the United States and the United Kingdom for measuring things like tire pressure, air compressor output, and hydraulic systems.

What is Atmosphere?

The standard atmosphere (symbol: atm) is a unit of pressure defined as being equal to exactly 101,325 pascals.

It is approximately equal to the Earth’s atmospheric pressure at sea level.

Common Uses

The atmosphere is used in various scientific fields, chemistry, and for measuring pressure in deep-sea diving and aviation.

How many atmosphere are in a psi?

There are 0.068046 atmosphere in 1 psi.


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