Standard atmosphere to Pound-force per square inch Converter
1 standard atmosphere is about 14.69594878 psi. Convert standard atmospheres (atm) to psi (psi) below: type a value and the result updates as you type.
atm to psi calculator
Result
Standard atmosphere to Pound-force per square inch conversion
1 atm ≈ 14.69594878 psione standard atmosphere in psi
1 psi ≈ 0.06804596391 atmone psi in standard atmospheres
Standard atmosphere (atm): Exactly 101 325 pascals.
Pound-force per square inch (psi): One pound-force per square inch: 4.4482216152605 N / (0.0254 m)².
Source:NIST Special Publication 811 (2008), Appendix B.8
How to convert standard atmospheres to psi
To convert standard atmospheres to psi, multiply the number of standard atmospheres by about 14.69594878.
Formula
psi = atm × 14.69594878
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 atm = 5 × 14.69594878 ≈ 73.47974388 psi
- 25 atm = 25 × 14.69594878 ≈ 367.3987194 psi
- 100 atm = 100 × 14.69594878 ≈ 1469.594878 psi
Standard atmosphere to Pound-force per square inch conversion table
| Standard atmosphere (atm) | Pound-force per square inch (psi) |
|---|---|
| 0.1 atm | 1.469594878 psi |
| 0.5 atm | 7.347974388 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 |
| 25 atm | 367.3987194 psi |
| 50 atm | 734.7974388 psi |
| 100 atm | 1469.594878 psi |
| 250 atm | 3673.987194 psi |
| 500 atm | 7347.974388 psi |
| 1000 atm | 14695.94878 psi |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many psi are in one standard atmosphere?
- One standard atmosphere is about 14.69594878 psi.
- How do I convert psi to standard atmospheres?
- To convert psi to standard atmospheres, multiply the number of psi by about 0.06804596391. The formula is atm = psi × 0.06804596391.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a standard atmosphere or a psi?
- A standard atmosphere is about 14.69594878 times larger than a psi. In other words, a psi is about 0.06804596391 of a standard atmosphere.