Atm to Psi ConverterRight in Your Browser
Convert standard atmospheres (atm) to pounds per square inch (psi). The standard atmosphere (atm) is defined as exactly 101,325 Pa — average air pressure at sea level. Psi (pounds per square inch) is the US pressure unit for tires, air compressors and plumbing. Everything is calculated locally in your browser — no server, and it works offline.
14.6959 psi
in pounds per square inch (pound per square inch)
To convert standard atmospheres to pounds per square inch, multiply the standard atmosphere value by 14.6959.
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| Standard atmospheres (atm) | Pounds per square inch (psi) |
|---|---|
| 1 | 14.6959 |
| 2 | 29.3919 |
| 3 | 44.0878 |
| 4 | 58.7838 |
| 5 | 73.4797 |
| 10 | 146.959 |
| 20 | 293.919 |
| 50 | 734.797 |
| 100 | 1469.59 |
Frequently Asked Questions
How many pounds per square inch are in a standard atmosphere?
One standard atmosphere equals 14.6959 pounds per square inch (1 atm = 14.6959 psi). So to go from standard atmospheres to pounds per square inch, multiply the standard atmosphere value by 14.6959.
What is the formula to convert standard atmospheres to pounds per square inch?
To convert standard atmospheres to pounds per square inch, multiply the standard atmosphere value by 14.6959. For example, 10 atm is 146.959 psi.
What is 1 standard atmospheres in pounds per square inch?
1 standard atmospheres — air pressure at sea level — is 14.6959 pounds per square inch. The converter above works for any value, entirely in your browser.
Is the standard atmosphere to pound per square inch conversion exact?
The factor used here is the defined value: 1 atm = 14.69594878 psi. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.
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