Pounds per square inch to Standard atmospheres formula
standard atmospheres = pounds per square inch × 0.068046
Multiply the number of pounds per square inch by 0.068046 to get standard atmospheres. To go the other way, multiply by 14.6959 instead, or use the atm to psi converter.
Pounds per square inch to Standard atmospheres conversion table
Common psi to atm values, rounded for reading. The converter above keeps full precision.
| Pounds per square inch | Standard atmospheres |
|---|---|
| 1 psi | 0.068046 atm |
| 2 psi | 0.136092 atm |
| 3 psi | 0.204138 atm |
| 4 psi | 0.272184 atm |
| 5 psi | 0.34023 atm |
| 10 psi | 0.68046 atm |
| 15 psi | 1.02069 atm |
| 20 psi | 1.36092 atm |
| 25 psi | 1.70115 atm |
| 50 psi | 3.4023 atm |
| 75 psi | 5.10345 atm |
| 100 psi | 6.8046 atm |
| 250 psi | 17.0115 atm |
| 500 psi | 34.023 atm |
| 1,000 psi | 68.046 atm |
Worked example
To convert 10 psi to standard atmospheres, multiply by 0.068046: the result is 0.68046 atm. This converts pressure units only. Gauge pressure and absolute pressure need the same reference before comparison.
Frequently asked questions
How many standard atmospheres are in a pound per square inch?
One pound per square inch equals 0.068046 standard atmospheres (1 psi = 0.068046 atm).
What is 10 pounds per square inch in standard atmospheres?
10 psi converts to 0.68046 atm. Enter any other value in the converter above to see it recalculated instantly.
How do I convert standard atmospheres back to pounds per square inch?
Reverse the calculation: one standard atmosphere equals 14.6959 pounds per square inch. You can also swap the units in the converter or open the atm to psi page.
Related pressure conversions
Need a different pair? Open the full pressure converter to choose any two units.