PSI to Atmospheres Converter
Convert pressure units between PSI (pounds per square inch) and Atmospheres (atm) with our free online converter. Perfect for engineering, physics, and industrial applications.
Step 1: PSI Input
About PSI
PSI (pounds per square inch) is a unit of pressure commonly used in the United States. Standard atmospheric pressure at sea level is approximately 14.7 PSI.
Step 2: Atmospheres Input
About Atmospheres
One atmosphere (atm) is defined as the pressure exerted by the Earth’s atmosphere at sea level. It’s a standard unit of pressure used in many scientific fields.
PSI to Atmospheres Conversion Results
Conversion Result
Pressure Unit Comparison
| Pressure Unit | Value | Equivalent PSI | Equivalent Atmospheres |
|---|
PSI to Atmospheres Conversion Formula
Atmospheres = PSI ÷ 14.6959
To convert PSI to Atmospheres: Divide the PSI value by 14.6959 (the standard atmospheric pressure at sea level).
Common Pressure Conversions
| PSI | Atmospheres | Common Application |
|---|---|---|
| 0 | 0 | Vacuum |
| 14.7 | 1.00 | Standard Atmospheric Pressure |
| 29.4 | 2.00 | 2 ATM (20 meters underwater) |
| 32-35 | 2.18-2.38 | Car Tire Pressure |
| 44.1 | 3.00 | 3 ATM (30 meters underwater) |
| 80-120 | 5.44-8.17 | Scuba Tank Pressure |
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