PSI to atm Calculator: Convert Pounds per Square Inch to Atmospheres
Convert pounds per square inch (PSI) to atmospheres (atm) with ease using our PSI to atm calculator. This tool helps you quickly determine the equivalent pressure in atmospheres based on the PSI value entered.
Understanding PSI to atm Conversion
Pounds per square inch (PSI) and atmospheres (atm) are both units used to measure pressure, but they are used in different measurement systems. PSI is used in the imperial system, whereas atm is a unit used in the metric system, commonly used to express atmospheric pressure. Converting PSI to atm is crucial for comparing pressure measurements in different units, especially in scientific, engineering, and industrial applications.
Conversion Factor
The conversion factor between PSI and atm is that 1 PSI is equal to approximately 0.068046 atm.
| Unit | Symbol | Equivalent |
|---|---|---|
| Pounds per Square Inch | PSI | 1 PSI = 0.068046 atm |
| Atmosphere | atm | 1 atm = 14.696 PSI |
Formula for PSI to atm Conversion
The formula to convert PSI to atmospheres (atm) is:
atm = PSI × 0.068046
Where:
- PSI: Pounds per square inch
- atm: Atmospheres (the result)
Common Applications of PSI to atm Conversion
| Application | Typical PSI Range | Typical atm Range |
|---|---|---|
| Atmospheric Pressure | 14.7 PSI | 1 atm |
| Vacuum Systems | 0-30 PSI | 0-2.042 atm |
| Car Tires | 30-35 PSI | 2.042-2.38 atm |
Frequently Asked Questions
What is the relationship between PSI and atm?
Pounds per square inch (PSI) is an imperial unit of pressure used in industrial and mechanical applications. Atmosphere (atm) is a metric unit commonly used to express atmospheric pressure. The relationship between the two is that 1 PSI is equivalent to approximately 0.068046 atm.
How do I convert PSI to atm?
To convert PSI to atmospheres (atm), simply multiply the PSI value by 0.068046.
Why is atm used instead of PSI in some regions?
Atmosphere (atm) is commonly used in scientific, atmospheric, and meteorological contexts, especially in countries using the metric system. PSI is used in industrial, mechanical, and engineering applications, particularly in countries like the United States that follow the imperial system.
Can I use this calculator for vacuum pressure systems?
Yes, this calculator is useful for converting PSI values in vacuum systems to atmospheres (atm) for applications requiring metric pressure units.