Psi to Atm ConverterRight in Your Browser

Convert pounds per square inch (psi) to standard atmospheres (atm). Psi (pounds per square inch) is the US pressure unit for tires, air compressors and plumbing. The standard atmosphere (atm) is defined as exactly 101,325 Pa — average air pressure at sea level. Everything is calculated locally in your browser — no server, and it works offline.

equals

0.068046 atm

in standard atmospheres (standard atmosphere)

To convert pounds per square inch to standard atmospheres, multiply the pound per square inch value by 0.068046.

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Psi to Atm Chart

Pounds per square inch (psi)Standard atmospheres (atm)
10.068046
20.136092
30.204138
40.272184
50.34023
100.68046
201.36092
503.4023
1006.8046

Frequently Asked Questions

How many standard atmospheres are in a pound per square inch?

One pound per square inch equals 0.068046 standard atmospheres (1 psi = 0.068046 atm). So to go from pounds per square inch to standard atmospheres, multiply the pound per square inch value by 0.068046.

What is the formula to convert pounds per square inch to standard atmospheres?

To convert pounds per square inch to standard atmospheres, multiply the pound per square inch value by 0.068046. For example, 10 psi is 0.68046 atm.

What is 32 pounds per square inch in standard atmospheres?

32 pounds per square inch — typical car tire pressure — is 2.17747 standard atmospheres. The converter above works for any value, entirely in your browser.

Is the pound per square inch to standard atmosphere conversion exact?

The factor used here is the defined value: 1 psi = 0.06804596391 atm. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.

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