Pound-force per square inch to Standard atmosphere Converter
1 psi is about 0.06804596391 standard atmospheres. Convert psi (psi) to standard atmospheres (atm) below: type a value and the result updates as you type.
psi to atm calculator
Result
Pound-force per square inch to Standard atmosphere conversion
1 psi ≈ 0.06804596391 atmone psi in standard atmospheres
1 atm ≈ 14.69594878 psione standard atmosphere in psi
Pound-force per square inch (psi): One pound-force per square inch: 4.4482216152605 N / (0.0254 m)².
Standard atmosphere (atm): Exactly 101 325 pascals.
Source:NIST Special Publication 811 (2008), Appendix B.8
How to convert psi to standard atmospheres
To convert psi to standard atmospheres, multiply the number of psi by about 0.06804596391.
Formula
atm = psi × 0.06804596391
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 psi = 5 × 0.06804596391 ≈ 0.3402298195 atm
- 25 psi = 25 × 0.06804596391 ≈ 1.701149098 atm
- 100 psi = 100 × 0.06804596391 ≈ 6.804596391 atm
Pound-force per square inch to Standard atmosphere conversion table
| Pound-force per square inch (psi) | Standard atmosphere (atm) |
|---|---|
| 0.1 psi | 0.006804596391 atm |
| 0.5 psi | 0.03402298195 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 |
| 25 psi | 1.701149098 atm |
| 50 psi | 3.402298195 atm |
| 100 psi | 6.804596391 atm |
| 250 psi | 17.01149098 atm |
| 500 psi | 34.02298195 atm |
| 1000 psi | 68.04596391 atm |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many standard atmospheres are in one psi?
- One psi is about 0.06804596391 standard atmospheres.
- How do I convert standard atmospheres to psi?
- To convert standard atmospheres to psi, multiply the number of standard atmospheres by about 14.69594878. The formula is psi = atm × 14.69594878.
- 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 psi or a standard atmosphere?
- 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.