Convert Pound per Square Inch to Atmosphere
Use this free converter to change pounds per square inch (psi) into atmospheres (atm). Pound per square inch and atmosphere both measure pressure. As a quick reference, 1 psi equals 0.068045964 atm, and 1 atm equals 14.695949 psi.
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Atmosphere (atm)
0.068045964
1 psi = 0.068045964 atm
Pressure conversion table
| Pound per Square Inch | Atmosphere |
|---|---|
| 0.01 | 0.00068045964 |
| 0.1 | 0.0068045964 |
| 0.5 | 0.034022982 |
| 1 | 0.068045964 |
| 2 | 0.13609193 |
| 3 | 0.20413789 |
| 5 | 0.34022982 |
| 10 | 0.68045964 |
| 20 | 1.3609193 |
| 25 | 1.7011491 |
| 50 | 3.4022982 |
| 100 | 6.8045964 |
| 1,000 | 68.045964 |
How to convert Pound per Square Inch to Atmosphere
Multiply the pound per square inch value by 0.068045964 to get atmospheres.
- Enter the number of pounds per square inch you want to convert.
- The converter instantly shows the equivalent value in atmospheres.
- Worked example: 15 psi × 0.068045964 = 1.0206895 atm.
- Use the swap button to reverse the conversion (atmosphere to pound per square inch).
About these units
Pound per Square Inch (psi)
- Definition
- Pounds per square inch (psi) is an imperial pressure unit, the force of one pound over one square inch.
- History
- It developed with the imperial system and steam-engine engineering.
- Current use
- Psi is the common pressure unit for tyres and compressed gas in the United States.
Atmosphere (atm)
- Definition
- A standard atmosphere (atm) is defined as exactly 101,325 pascals, roughly average sea-level pressure.
- History
- It was standardised as a reference pressure for scientific work.
- Current use
- Atmospheres are used in chemistry, physics, and diving as a reference pressure.
Frequently asked questions
How many atmospheres are in a pound per square inch?
There are 0.068045964 atm in 1 psi. To convert, multiply the number of pounds per square inch by 0.068045964.
How do I convert pounds per square inch to atmospheres?
Multiply the pound per square inch value by 0.068045964 to get atmospheres. For example, 10 psi = 0.68045964 atm.
Is this pound per square inch-to-atmosphere converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Pound per Square Inch to other pressure units
| Unit | 1 Pound per Square Inch equals |
|---|---|
| Pascal (Pa) | 6894.7573 Pa |
| Kilopascal (kPa) | 6.8947573 kPa |
| Bar (bar) | 0.068947573 bar |
| Atmosphere (atm) | 0.068045964 atm |
| Torr (Torr) | 51.714933 Torr |
| Millibar (mbar) | 68.947573 mbar |