What is standard atmospheric pressure?
Standard atmospheric pressure is 1 atm, which equals 101.325 kPa, 760 mmHg, and about 14.7 psi.
Calculator
Enter your values
Results
1 Atmospheres (atm) =
14.695943
Pounds per Square Inch (psi)
Base Unit Equivalent
101,325
Base unit: pascals
Target Unit Context
measuring automotive, plumbing, and US engineering pressure.
Conversion Analysis
Interpret the result and compare it across supported units
Result Summary
1 atm equals 14.695943 psi. The same amount is 101,325 in the base unit.
Unit Context
Atmospheres are commonly used when comparing against standard atmospheric pressure. Pounds per Square Inch are useful when measuring automotive, plumbing, and us engineering pressure.
Practical Comparison
Switching units does not change the underlying quantity. This analysis and the charts show how the same value scales across larger and smaller units so you can choose the most readable format.
How to Use
Step-by-step instructions
- 1Enter the pressure value.
- 2Choose the source pressure unit.
- 3Choose the target unit.
- 4Review the analysis and charts to compare the same pressure across all supported scales.
Pressure Conversion Formula
Each pressure value is converted into pascals first, then into the target pressure unit.
Converted Value = Input x (From Unit in Pa) / (To Unit in Pa)Variables:
PaPascals, the base unit used by this converterExample
Atmospheres to PSI
Inputs:
Value:1
From:Atmospheres
To:PSI
Steps:
- 1.1 atmosphere equals about 14.6959 PSI.
Result:
1 atm = 14.6959 psi