1 psi = 0.068045964 atm

Convert psi to atm

Convert psi directly to atm. This page uses a fixed relationship between the two units and performs the calculation instantly in your browser.

Pressure

psi → atm

⇄ Reverse
1 psi = 0.068045964 atm
Scientific precisionatm = psi × 0.0680459639099
How to convert

How to convert: psi → atm

atm = psi × 0.0680459639099

psi and atm measure the same quantity: pressure. Converting between them makes it easier to compare a measurement or use it in another unit system.

Worked examples

Worked examples

10 psi → 0.68046 atm
50 psi → 3.4023 atm
100 psi → 6.8046 atm
Conversion table

Conversion table

psiatm
1 psi0.068046 atm
5 psi0.34023 atm
10 psi0.68046 atm
20 psi1.36092 atm
50 psi3.4023 atm
100 psi6.8046 atm
Mendeleev

Why this conversion is useful

This conversion belongs to a set of tools focused on units that are genuinely used in science, engineering and everyday life. Beyond the numerical answer, the aim is to understand what the quantity represents, where each unit is common and how to avoid order-of-magnitude mistakes.

Understand the conversion

Method

The two units describe the same physical quantity. Use the conversion relation shown above, keep the units visible during the calculation, then check that the size of the result is plausible.

atm = psi × 0.0680459639099

Worked example

Starting with 1 psi, apply atm = psi × 0.0680459639099. The result is 0.068045964 atm. Writing the unit at each step helps prevent a correct number from being paired with the wrong unit.

Quick check

Before accepting a result, compare the relative size of the units. Converting to a larger unit usually gives a smaller numerical value; converting to a smaller unit usually gives a larger numerical value.

Precision

The calculator keeps more digits than are usually needed for everyday work. Round only at the end, and keep enough significant digits for the precision of the original measurement.