## pound per square inch

**Pound per square inch** is a unit of measurement of pressure or mechanical stress. The definition for pound per square inch is the following:

A pound per square inch is equal to 1 lbf/in^{2}.

The symbol for pound per square inch is

**psi**## bar

**Bar** is a unit of measurement of pressure or mechanical stress. The definition for bar is the following:

A bar is equal to 10^{5} Pa.

The symbol for bar is

**bar**