Pounds per square inch (psi) to Standard atmospheres
Type a value in Pounds per square inch (psi) and get the result in Standard atmospheres, calculated exactly.
1 Pounds per square inch (psi) ≈ 0.06804596391 Standard atmospheres
Exact factorRounded for display to about 10 significant digits.
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Formula
atm = psi × 0.06804596391
To convert Pounds per square inch (psi) to Standard atmospheres, multiply the value by 0.06804596391.
Worked examples
- 1 psi × 0.06804596391 ≈ 0.06804596391 atm
- 100 psi × 0.06804596391 ≈ 6.804596391 atm
- 50 psi × 0.06804596391 ≈ 3.402298195 atm
This factor is exact by definition.
Conversion table
| Pounds per square inch (psi) | Standard atmospheres (atm) |
|---|---|
| 1 | ≈ 0.06804596 |
| 2 | ≈ 0.1360919 |
| 3 | ≈ 0.2041379 |
| 4 | ≈ 0.2721839 |
| 5 | ≈ 0.3402298 |
| 6 | ≈ 0.4082758 |
| 7 | ≈ 0.4763217 |
| 8 | ≈ 0.5443677 |
| 9 | ≈ 0.6124137 |
| 10 | ≈ 0.6804596 |
| 15 | ≈ 1.020689 |
| 20 | ≈ 1.360919 |
| 25 | ≈ 1.701149 |
| 30 | ≈ 2.041379 |
| 40 | ≈ 2.721839 |
| 50 | ≈ 3.402298 |
| 60 | ≈ 4.082758 |
| 70 | ≈ 4.763217 |
| 75 | ≈ 5.103447 |
| 80 | ≈ 5.443677 |
| 90 | ≈ 6.124137 |
| 100 | ≈ 6.804596 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Standard atmospheres to Pounds per square inch (psi)
| Standard atmospheres (atm) | Pounds per square inch (psi) |
|---|---|
| 1 | ≈ 14.69595 |
| 2 | ≈ 29.3919 |
| 3 | ≈ 44.08785 |
| 4 | ≈ 58.7838 |
| 5 | ≈ 73.47974 |
| 6 | ≈ 88.17569 |
| 7 | ≈ 102.8716 |
| 8 | ≈ 117.5676 |
| 9 | ≈ 132.2635 |
| 10 | ≈ 146.9595 |
| 15 | ≈ 220.4392 |
| 20 | ≈ 293.919 |
| 25 | ≈ 367.3987 |
| 30 | ≈ 440.8785 |
| 40 | ≈ 587.838 |
| 50 | ≈ 734.7974 |
| 60 | ≈ 881.7569 |
| 70 | ≈ 1,028.716 |
| 75 | ≈ 1,102.196 |
| 80 | ≈ 1,175.676 |
| 90 | ≈ 1,322.635 |
| 100 | ≈ 1,469.595 |
Convert Standard atmospheres to Pounds per square inch (psi)
Unit definitions
- Pounds per square inch (psi) psi
- One pound-force per square inch: about 6894.757 pascals, exact from the 1959 pound and inch.
- Standard atmospheres atm
- Exactly 101 325 pascals.
Questions people ask
Pounds per square inch (psi) to Standard atmospheres: what is the conversion factor?
One psi is ≈ 0.06804596391 atm.
How do I convert Pounds per square inch (psi) to Standard atmospheres?
Use the formula above. For example, 100 psi = ≈ 6.804596391 atm.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.