Convert psi to atm
Pounds per square inch to standard atmospheres. Enter a value to convert, or use the psi to atm chart further down the page.
1 pound per square inch equals 0.06804596391 standard atmospheres. Going the other way, 1 standard atmosphere = 14.69594878 pounds per square inch.
How to convert psi to atm
To convert pounds per square inch to standard atmospheres, multiply the pound per square inch value by 0.06804596391. You can also divide by 14.69594878 to get the same answer.
atm = psi × 0.06804596391
Worked example
Convert 15 psi to standard atmospheres:
15 psi = 1.020689459 atm
psi to atm conversion chart
Use this psi to atm table for quick reference without typing anything.
| pounds per square inch (psi) | standard atmospheres (atm) |
|---|---|
| 0.01 psi | 0.0006804596391 atm |
| 0.1 psi | 0.006804596391 atm |
| 1 psi | 0.06804596391 atm |
| 2 psi | 0.1360919278 atm |
| 3 psi | 0.2041378917 atm |
| 5 psi | 0.3402298195 atm |
| 10 psi | 0.6804596391 atm |
| 20 psi | 1.360919278 atm |
| 50 psi | 3.402298195 atm |
| 100 psi | 6.804596391 atm |
| 1,000 psi | 68.04596391 atm |
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.
What is a standard atmosphere?
The standard atmosphere is defined as exactly 101,325 pascals — the reference sea-level pressure.
Frequently asked questions
How many atm are in a pound per square inch?
1 psi equals 0.06804596391 atm. Going the other way, 1 atm is 14.69594878 psi.
How do you convert psi to atm?
To convert pounds per square inch to standard atmospheres, multiply the pound per square inch value by 0.06804596391. You can also divide by 14.69594878 to get the same answer.
What is 10 psi in atm?
10 psi equals 0.6804596391 atm. The conversion chart on this page lists the other values people look up most often.
Related pressure conversions
Convert psi to other units
Convert other units to atm
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