Convert atm to psi
Standard atmospheres to pounds per square inch. Enter a value to convert, or use the atm to psi chart further down the page.
1 standard atmosphere equals 14.69594878 pounds per square inch. Going the other way, 1 pound per square inch = 0.06804596391 standard atmospheres.
How to convert atm to psi
To convert standard atmospheres to pounds per square inch, multiply the standard atmosphere value by 14.69594878. You can also divide by 0.06804596391 to get the same answer.
psi = atm × 14.69594878
Worked example
Convert 15 atm to pounds per square inch:
15 atm = 220.4392316 psi
atm to psi conversion chart
Use this atm to psi table for quick reference without typing anything.
| standard atmospheres (atm) | pounds per square inch (psi) |
|---|---|
| 0.01 atm | 0.1469594878 psi |
| 0.1 atm | 1.469594878 psi |
| 1 atm | 14.69594878 psi |
| 2 atm | 29.39189755 psi |
| 3 atm | 44.08784633 psi |
| 5 atm | 73.47974388 psi |
| 10 atm | 146.9594878 psi |
| 20 atm | 293.9189755 psi |
| 50 atm | 734.7974388 psi |
| 100 atm | 1,469.594878 psi |
| 1,000 atm | 14,695.94878 psi |
What is a standard atmosphere?
The standard atmosphere is defined as exactly 101,325 pascals — the reference sea-level pressure.
What is a pound per square inch?
One psi is one pound-force per square inch, about 6,894.76 pascals. It is the standard pressure unit for tyres and hydraulics in the US.
Frequently asked questions
How many psi are in a standard atmosphere?
1 atm equals 14.69594878 psi. Going the other way, 1 psi is 0.06804596391 atm.
How do you convert atm to psi?
To convert standard atmospheres to pounds per square inch, multiply the standard atmosphere value by 14.69594878. You can also divide by 0.06804596391 to get the same answer.
What is 10 atm in psi?
10 atm equals 146.9594878 psi. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert atm to other units
Convert other units to psi
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