Convert Atmospheres to pounds per square inch
1 atmosphere = 14.6959 pounds per square inch · psi = atm × 14.69594878
When you need this conversion
This conversion goes from atmospheres, pressure relative to sea level, used in diving and chemistry, to pounds per square inch, the pressure unit used in the US. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Atmospheres to pounds per square inch conversion table
| Atmospheres (atm) | Pounds per square inch (psi) |
|---|---|
| 1 atm | 14.6959 psi |
| 2 atm | 29.3919 psi |
| 3 atm | 44.0878 psi |
| 5 atm | 73.4797 psi |
| 10 atm | 146.96 psi |
| 15 atm | 220.44 psi |
| 20 atm | 293.92 psi |
| 25 atm | 367.4 psi |
| 50 atm | 734.8 psi |
| 75 atm | 1,102.2 psi |
| 100 atm | 1,469.59 psi |
| 250 atm | 3,673.99 psi |
| 500 atm | 7,347.97 psi |
| 1,000 atm | 14,695.95 psi |
The formula
psi = atm × 14.69594878Because both units measure pressure, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Pounds per square inch to atmospheres →Related pressure conversions
- Atmospheres to bars
- Bars to atmospheres
- Pascals to pounds per square inch
- Kilopascals to pounds per square inch
- Bars to pounds per square inch
- Atmospheres to pascals
- Atmospheres to kilopascals
- Atmospheres to torr
- Torr to pounds per square inch
- Pascals to kilopascals
- Pascals to bars
- Pascals to atmospheres
Frequently asked questions
- How many pounds per square inch are in a atmosphere?
- There are 14.6959 pounds per square inch in 1 atmosphere. The formula is psi = atm × 14.69594878.
- How do you convert atmospheres to pounds per square inch?
- Use the formula psi = atm × 14.69594878. For example, 10 atmospheres equals 146.96 pounds per square inch.
- Is the atmospheres to pounds per square inch conversion exact?
- Yes. Atmospheres and pounds per square inch are both units of pressure, related by an exact defined factor. Displayed results are rounded for readability.
- What is atm short for?
- atm is the standard symbol for atmosphere. psi is the symbol for pound per square inch.