Convert atm to psi
1 atmosphere equals 14.6959 pounds per square inch. To convert atmospheres to pounds per square inch, multiply the number of atmospheres by 14.6959: for example, 10 atm is 146.959 psi. Ethical Tube's free atm to psi converter does the math as you type, and the chart below lists common values.
1 atm = 14.6959 psi
- 1 atm
- 14.6959 psi
- 1 psi
- 0.068046 atm
- Formula
- psi = atm × 14.6959
- Measures
- Pressure
- Price
- Free
- Works offline
- Yes
Conversion chart
atm to psi chart
| Atmospheres (atm) | Pounds per square inch (psi) |
|---|---|
| 1 atm | 14.6959 psi |
| 2 atm | 29.3919 psi |
| 3 atm | 44.0878 psi |
| 4 atm | 58.7838 psi |
| 5 atm | 73.4797 psi |
| 6 atm | 88.1757 psi |
| 8 atm | 117.568 psi |
| 10 atm | 146.959 psi |
| 12 atm | 176.351 psi |
| 15 atm | 220.439 psi |
| 20 atm | 293.919 psi |
| 25 atm | 367.399 psi |
| 50 atm | 734.797 psi |
| 100 atm | 1,469.59 psi |
How it works
How to convert atm to psi
Know the formula
psi = atm × 14.6959. In words: multiply the number of atmospheres by 14.6959.
Work an example
10 atm → 146.959 psi. Round to two or three decimal places for everyday use.
Or type it in
Enter any value in the converter above and the answer appears instantly, in both directions.
Good to know
About pressure units
- Tire pressure is usually given in psi in the US and in bar or kPa in Europe.
- Standard air pressure at sea level is 1 atmosphere: 101.325 kPa, 1.01325 bar, or about 14.7 psi.
FAQ
Questions, answered
How many pounds per square inch are in an atmosphere?
There are 14.6959 pounds per square inch in 1 atmosphere. To convert atmospheres to pounds per square inch, multiply the number of atmospheres by 14.6959.
What is 10 atm in psi?
10 atmospheres is 146.959 pounds per square inch.
How do you convert psi back to atm?
Multiply the number of pounds per square inch by 0.068046. 1 pound per square inch is 0.068046 atmospheres.
Is this atm to psi converter free?
Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.
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